diff --git a/app/src/main/java/eu/kanade/domain/DomainModule.kt b/app/src/main/java/eu/kanade/domain/DomainModule.kt
index 8559cd923..9967e000f 100644
--- a/app/src/main/java/eu/kanade/domain/DomainModule.kt
+++ b/app/src/main/java/eu/kanade/domain/DomainModule.kt
@@ -40,8 +40,8 @@ import tachiyomi.domain.category.interactor.SetSortModeForCategory
 import tachiyomi.domain.category.interactor.UpdateCategory
 import tachiyomi.domain.category.repository.CategoryRepository
 import tachiyomi.domain.chapter.interactor.GetChapter
-import tachiyomi.domain.chapter.interactor.GetChapterByMangaId
 import tachiyomi.domain.chapter.interactor.GetChapterByUrlAndMangaId
+import tachiyomi.domain.chapter.interactor.GetChaptersByMangaId
 import tachiyomi.domain.chapter.interactor.SetMangaDefaultChapterFlags
 import tachiyomi.domain.chapter.interactor.ShouldUpdateDbChapter
 import tachiyomi.domain.chapter.interactor.UpdateChapter
@@ -128,7 +128,7 @@ class DomainModule : InjektModule {
 
         addSingletonFactory<ChapterRepository> { ChapterRepositoryImpl(get()) }
         addFactory { GetChapter(get()) }
-        addFactory { GetChapterByMangaId(get()) }
+        addFactory { GetChaptersByMangaId(get()) }
         addFactory { GetChapterByUrlAndMangaId(get()) }
         addFactory { UpdateChapter(get()) }
         addFactory { SetReadStatus(get(), get(), get(), get()) }
diff --git a/app/src/main/java/eu/kanade/domain/chapter/interactor/SyncChaptersWithSource.kt b/app/src/main/java/eu/kanade/domain/chapter/interactor/SyncChaptersWithSource.kt
index 6205ea365..d233406f0 100644
--- a/app/src/main/java/eu/kanade/domain/chapter/interactor/SyncChaptersWithSource.kt
+++ b/app/src/main/java/eu/kanade/domain/chapter/interactor/SyncChaptersWithSource.kt
@@ -10,7 +10,7 @@ import eu.kanade.tachiyomi.source.Source
 import eu.kanade.tachiyomi.source.model.SChapter
 import eu.kanade.tachiyomi.source.online.HttpSource
 import tachiyomi.data.chapter.ChapterSanitizer
-import tachiyomi.domain.chapter.interactor.GetChapterByMangaId
+import tachiyomi.domain.chapter.interactor.GetChaptersByMangaId
 import tachiyomi.domain.chapter.interactor.ShouldUpdateDbChapter
 import tachiyomi.domain.chapter.interactor.UpdateChapter
 import tachiyomi.domain.chapter.model.Chapter
@@ -32,7 +32,7 @@ class SyncChaptersWithSource(
     private val shouldUpdateDbChapter: ShouldUpdateDbChapter,
     private val updateManga: UpdateManga,
     private val updateChapter: UpdateChapter,
-    private val getChapterByMangaId: GetChapterByMangaId,
+    private val getChaptersByMangaId: GetChaptersByMangaId,
 ) {
 
     /**
@@ -66,7 +66,7 @@ class SyncChaptersWithSource(
             }
 
         // Chapters from db.
-        val dbChapters = getChapterByMangaId.await(manga.id)
+        val dbChapters = getChaptersByMangaId.await(manga.id)
 
         // Chapters from the source not in db.
         val toAdd = mutableListOf<Chapter>()
diff --git a/app/src/main/java/eu/kanade/domain/chapter/model/Chapter.kt b/app/src/main/java/eu/kanade/domain/chapter/model/Chapter.kt
index af99f0e63..a852e1ae1 100644
--- a/app/src/main/java/eu/kanade/domain/chapter/model/Chapter.kt
+++ b/app/src/main/java/eu/kanade/domain/chapter/model/Chapter.kt
@@ -2,7 +2,6 @@ package eu.kanade.domain.chapter.model
 
 import eu.kanade.tachiyomi.data.database.models.ChapterImpl
 import eu.kanade.tachiyomi.source.model.SChapter
-import tachiyomi.data.Chapters
 import tachiyomi.domain.chapter.model.Chapter
 import eu.kanade.tachiyomi.data.database.models.Chapter as DbChapter
 
@@ -27,16 +26,6 @@ fun Chapter.copyFromSChapter(sChapter: SChapter): Chapter {
     )
 }
 
-fun Chapter.copyFrom(other: Chapters): Chapter {
-    return copy(
-        name = other.name,
-        url = other.url,
-        dateUpload = other.date_upload,
-        chapterNumber = other.chapter_number,
-        scanlator = other.scanlator?.ifBlank { null },
-    )
-}
-
 fun Chapter.toDbChapter(): DbChapter = ChapterImpl().also {
     it.id = id
     it.manga_id = mangaId
diff --git a/app/src/main/java/eu/kanade/domain/track/interactor/SyncChapterProgressWithTrack.kt b/app/src/main/java/eu/kanade/domain/track/interactor/SyncChapterProgressWithTrack.kt
index dcb95ff26..6fab0792a 100644
--- a/app/src/main/java/eu/kanade/domain/track/interactor/SyncChapterProgressWithTrack.kt
+++ b/app/src/main/java/eu/kanade/domain/track/interactor/SyncChapterProgressWithTrack.kt
@@ -5,7 +5,7 @@ import eu.kanade.tachiyomi.data.track.EnhancedTracker
 import eu.kanade.tachiyomi.data.track.Tracker
 import logcat.LogPriority
 import tachiyomi.core.util.system.logcat
-import tachiyomi.domain.chapter.interactor.GetChapterByMangaId
+import tachiyomi.domain.chapter.interactor.GetChaptersByMangaId
 import tachiyomi.domain.chapter.interactor.UpdateChapter
 import tachiyomi.domain.chapter.model.toChapterUpdate
 import tachiyomi.domain.track.interactor.InsertTrack
@@ -14,7 +14,7 @@ import tachiyomi.domain.track.model.Track
 class SyncChapterProgressWithTrack(
     private val updateChapter: UpdateChapter,
     private val insertTrack: InsertTrack,
-    private val getChapterByMangaId: GetChapterByMangaId,
+    private val getChaptersByMangaId: GetChaptersByMangaId,
 ) {
 
     suspend fun await(
@@ -26,7 +26,7 @@ class SyncChapterProgressWithTrack(
             return
         }
 
-        val sortedChapters = getChapterByMangaId.await(mangaId)
+        val sortedChapters = getChaptersByMangaId.await(mangaId)
             .sortedBy { it.chapterNumber }
             .filter { it.isRecognizedNumber }
 
diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupRestorer.kt b/app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupRestorer.kt
index ec34ce08a..753c3ef8e 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupRestorer.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupRestorer.kt
@@ -2,7 +2,6 @@ package eu.kanade.tachiyomi.data.backup
 
 import android.content.Context
 import android.net.Uri
-import eu.kanade.domain.chapter.model.copyFrom
 import eu.kanade.domain.manga.interactor.UpdateManga
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.backup.models.BackupCategory
@@ -31,6 +30,7 @@ import tachiyomi.data.Manga_sync
 import tachiyomi.data.Mangas
 import tachiyomi.data.UpdateStrategyColumnAdapter
 import tachiyomi.domain.category.interactor.GetCategories
+import tachiyomi.domain.chapter.interactor.GetChaptersByMangaId
 import tachiyomi.domain.chapter.model.Chapter
 import tachiyomi.domain.history.model.HistoryUpdate
 import tachiyomi.domain.library.service.LibraryPreferences
@@ -54,6 +54,7 @@ class BackupRestorer(
     private val handler: DatabaseHandler = Injekt.get()
     private val updateManga: UpdateManga = Injekt.get()
     private val getCategories: GetCategories = Injekt.get()
+    private val getChaptersByMangaId: GetChaptersByMangaId = Injekt.get()
     private val fetchInterval: FetchInterval = Injekt.get()
 
     private val preferenceStore: PreferenceStore = Injekt.get()
@@ -285,30 +286,39 @@ class BackupRestorer(
     }
 
     private suspend fun restoreChapters(manga: Manga, chapters: List<Chapter>) {
-        val dbChapters = handler.awaitList { chaptersQueries.getChaptersByMangaId(manga.id) }
+        val dbChaptersByUrl = getChaptersByMangaId.await(manga.id)
+            .associateBy { it.url }
 
         val processed = chapters.map { chapter ->
             var updatedChapter = chapter
-            val dbChapter = dbChapters.find { it.url == updatedChapter.url }
+
+            val dbChapter = dbChaptersByUrl[updatedChapter.url]
             if (dbChapter != null) {
-                updatedChapter = updatedChapter.copy(id = dbChapter._id)
-                updatedChapter = updatedChapter.copyFrom(dbChapter)
+                updatedChapter = updatedChapter
+                    .copyFrom(dbChapter)
+                    .copy(
+                        id = dbChapter.id,
+                        mangaId = manga.id,
+                        bookmark = updatedChapter.bookmark || dbChapter.bookmark,
+                    )
                 if (dbChapter.read && !updatedChapter.read) {
-                    updatedChapter = updatedChapter.copy(read = true, lastPageRead = dbChapter.last_page_read)
-                } else if (updatedChapter.lastPageRead == 0L && dbChapter.last_page_read != 0L) {
-                    updatedChapter = updatedChapter.copy(lastPageRead = dbChapter.last_page_read)
-                }
-                if (!updatedChapter.bookmark && dbChapter.bookmark) {
-                    updatedChapter = updatedChapter.copy(bookmark = true)
+                    updatedChapter = updatedChapter.copy(
+                        read = true,
+                        lastPageRead = dbChapter.lastPageRead,
+                    )
+                } else if (updatedChapter.lastPageRead == 0L && dbChapter.lastPageRead != 0L) {
+                    updatedChapter = updatedChapter.copy(
+                        lastPageRead = dbChapter.lastPageRead,
+                    )
                 }
             }
 
-            updatedChapter.copy(mangaId = manga.id)
+            updatedChapter
         }
 
-        val newChapters = processed.groupBy { it.id > 0 }
-        newChapters[true]?.let { updateKnownChapters(it) }
-        newChapters[false]?.let { insertChapters(it) }
+        val (existingChapters, newChapters) = processed.partition { it.id > 0 }
+        updateKnownChapters(existingChapters)
+        insertChapters(newChapters)
     }
 
     /**
diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/track/BaseTracker.kt b/app/src/main/java/eu/kanade/tachiyomi/data/track/BaseTracker.kt
index 8b152d6cb..94b81783d 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/track/BaseTracker.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/track/BaseTracker.kt
@@ -15,7 +15,7 @@ import okhttp3.OkHttpClient
 import tachiyomi.core.util.lang.withIOContext
 import tachiyomi.core.util.lang.withUIContext
 import tachiyomi.core.util.system.logcat
-import tachiyomi.domain.chapter.interactor.GetChapterByMangaId
+import tachiyomi.domain.chapter.interactor.GetChaptersByMangaId
 import tachiyomi.domain.history.interactor.GetHistory
 import tachiyomi.domain.track.interactor.InsertTrack
 import uy.kohesive.injekt.Injekt
@@ -71,7 +71,7 @@ abstract class BaseTracker(
         item.manga_id = mangaId
         try {
             withIOContext {
-                val allChapters = Injekt.get<GetChapterByMangaId>().await(mangaId)
+                val allChapters = Injekt.get<GetChaptersByMangaId>().await(mangaId)
                 val hasReadChapters = allChapters.any { it.read }
                 bind(item, hasReadChapters)
 
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/search/MigrateDialog.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/search/MigrateDialog.kt
index 26bad6a5f..1eddff26d 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/search/MigrateDialog.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/search/MigrateDialog.kt
@@ -41,7 +41,7 @@ import tachiyomi.core.util.lang.launchIO
 import tachiyomi.core.util.lang.withUIContext
 import tachiyomi.domain.category.interactor.GetCategories
 import tachiyomi.domain.category.interactor.SetMangaCategories
-import tachiyomi.domain.chapter.interactor.GetChapterByMangaId
+import tachiyomi.domain.chapter.interactor.GetChaptersByMangaId
 import tachiyomi.domain.chapter.interactor.UpdateChapter
 import tachiyomi.domain.chapter.model.toChapterUpdate
 import tachiyomi.domain.manga.model.Manga
@@ -150,7 +150,7 @@ internal class MigrateDialogScreenModel(
     private val sourceManager: SourceManager = Injekt.get(),
     private val downloadManager: DownloadManager = Injekt.get(),
     private val updateManga: UpdateManga = Injekt.get(),
-    private val getChapterByMangaId: GetChapterByMangaId = Injekt.get(),
+    private val getChaptersByMangaId: GetChaptersByMangaId = Injekt.get(),
     private val syncChaptersWithSource: SyncChaptersWithSource = Injekt.get(),
     private val updateChapter: UpdateChapter = Injekt.get(),
     private val getCategories: GetCategories = Injekt.get(),
@@ -222,8 +222,8 @@ internal class MigrateDialogScreenModel(
 
         // Update chapters read, bookmark and dateFetch
         if (migrateChapters) {
-            val prevMangaChapters = getChapterByMangaId.await(oldManga.id)
-            val mangaChapters = getChapterByMangaId.await(newManga.id)
+            val prevMangaChapters = getChaptersByMangaId.await(oldManga.id)
+            val mangaChapters = getChaptersByMangaId.await(newManga.id)
 
             val maxChapterRead = prevMangaChapters
                 .filter { it.read }
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryScreenModel.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryScreenModel.kt
index 6d16364c3..af0f5c81a 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryScreenModel.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryScreenModel.kt
@@ -47,7 +47,7 @@ import tachiyomi.core.util.lang.withIOContext
 import tachiyomi.domain.category.interactor.GetCategories
 import tachiyomi.domain.category.interactor.SetMangaCategories
 import tachiyomi.domain.category.model.Category
-import tachiyomi.domain.chapter.interactor.GetChapterByMangaId
+import tachiyomi.domain.chapter.interactor.GetChaptersByMangaId
 import tachiyomi.domain.chapter.model.Chapter
 import tachiyomi.domain.history.interactor.GetNextChapters
 import tachiyomi.domain.library.model.LibraryDisplayMode
@@ -78,7 +78,7 @@ class LibraryScreenModel(
     private val getCategories: GetCategories = Injekt.get(),
     private val getTracksPerManga: GetTracksPerManga = Injekt.get(),
     private val getNextChapters: GetNextChapters = Injekt.get(),
-    private val getChaptersByMangaId: GetChapterByMangaId = Injekt.get(),
+    private val getChaptersByMangaId: GetChaptersByMangaId = Injekt.get(),
     private val setReadStatus: SetReadStatus = Injekt.get(),
     private val updateManga: UpdateManga = Injekt.get(),
     private val setMangaCategories: SetMangaCategories = Injekt.get(),
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderViewModel.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderViewModel.kt
index 1c9e4578d..c0a252b35 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderViewModel.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderViewModel.kt
@@ -60,7 +60,7 @@ import tachiyomi.core.util.lang.launchNonCancellable
 import tachiyomi.core.util.lang.withIOContext
 import tachiyomi.core.util.lang.withUIContext
 import tachiyomi.core.util.system.logcat
-import tachiyomi.domain.chapter.interactor.GetChapterByMangaId
+import tachiyomi.domain.chapter.interactor.GetChaptersByMangaId
 import tachiyomi.domain.chapter.interactor.UpdateChapter
 import tachiyomi.domain.chapter.model.ChapterUpdate
 import tachiyomi.domain.chapter.service.getChapterSort
@@ -92,7 +92,7 @@ class ReaderViewModel @JvmOverloads constructor(
     private val trackPreferences: TrackPreferences = Injekt.get(),
     private val trackChapter: TrackChapter = Injekt.get(),
     private val getManga: GetManga = Injekt.get(),
-    private val getChapterByMangaId: GetChapterByMangaId = Injekt.get(),
+    private val getChaptersByMangaId: GetChaptersByMangaId = Injekt.get(),
     private val getNextChapters: GetNextChapters = Injekt.get(),
     private val upsertHistory: UpsertHistory = Injekt.get(),
     private val updateChapter: UpdateChapter = Injekt.get(),
@@ -147,7 +147,7 @@ class ReaderViewModel @JvmOverloads constructor(
      */
     private val chapterList by lazy {
         val manga = manga!!
-        val chapters = runBlocking { getChapterByMangaId.await(manga.id) }
+        val chapters = runBlocking { getChaptersByMangaId.await(manga.id) }
 
         val selectedChapter = chapters.find { it.id == chapterId }
             ?: error("Requested chapter of id $chapterId not found in chapter list")
diff --git a/domain/src/main/java/tachiyomi/domain/chapter/interactor/GetChapterByMangaId.kt b/domain/src/main/java/tachiyomi/domain/chapter/interactor/GetChaptersByMangaId.kt
similarity index 94%
rename from domain/src/main/java/tachiyomi/domain/chapter/interactor/GetChapterByMangaId.kt
rename to domain/src/main/java/tachiyomi/domain/chapter/interactor/GetChaptersByMangaId.kt
index fb7350892..6dcc0d32b 100644
--- a/domain/src/main/java/tachiyomi/domain/chapter/interactor/GetChapterByMangaId.kt
+++ b/domain/src/main/java/tachiyomi/domain/chapter/interactor/GetChaptersByMangaId.kt
@@ -5,7 +5,7 @@ import tachiyomi.core.util.system.logcat
 import tachiyomi.domain.chapter.model.Chapter
 import tachiyomi.domain.chapter.repository.ChapterRepository
 
-class GetChapterByMangaId(
+class GetChaptersByMangaId(
     private val chapterRepository: ChapterRepository,
 ) {
 
diff --git a/domain/src/main/java/tachiyomi/domain/chapter/model/Chapter.kt b/domain/src/main/java/tachiyomi/domain/chapter/model/Chapter.kt
index 0029d67ea..3a4a8c4a4 100644
--- a/domain/src/main/java/tachiyomi/domain/chapter/model/Chapter.kt
+++ b/domain/src/main/java/tachiyomi/domain/chapter/model/Chapter.kt
@@ -18,6 +18,16 @@ data class Chapter(
     val isRecognizedNumber: Boolean
         get() = chapterNumber >= 0f
 
+    fun copyFrom(other: Chapter): Chapter {
+        return copy(
+            name = other.name,
+            url = other.url,
+            dateUpload = other.dateUpload,
+            chapterNumber = other.chapterNumber,
+            scanlator = other.scanlator?.ifBlank { null },
+        )
+    }
+
     companion object {
         fun create() = Chapter(
             id = -1,
diff --git a/domain/src/main/java/tachiyomi/domain/history/interactor/GetNextChapters.kt b/domain/src/main/java/tachiyomi/domain/history/interactor/GetNextChapters.kt
index 6e9526158..2cbda1bdf 100644
--- a/domain/src/main/java/tachiyomi/domain/history/interactor/GetNextChapters.kt
+++ b/domain/src/main/java/tachiyomi/domain/history/interactor/GetNextChapters.kt
@@ -1,6 +1,6 @@
 package tachiyomi.domain.history.interactor
 
-import tachiyomi.domain.chapter.interactor.GetChapterByMangaId
+import tachiyomi.domain.chapter.interactor.GetChaptersByMangaId
 import tachiyomi.domain.chapter.model.Chapter
 import tachiyomi.domain.chapter.service.getChapterSort
 import tachiyomi.domain.history.repository.HistoryRepository
@@ -8,7 +8,7 @@ import tachiyomi.domain.manga.interactor.GetManga
 import kotlin.math.max
 
 class GetNextChapters(
-    private val getChapterByMangaId: GetChapterByMangaId,
+    private val getChaptersByMangaId: GetChaptersByMangaId,
     private val getManga: GetManga,
     private val historyRepository: HistoryRepository,
 ) {
@@ -20,7 +20,7 @@ class GetNextChapters(
 
     suspend fun await(mangaId: Long, onlyUnread: Boolean = true): List<Chapter> {
         val manga = getManga.await(mangaId) ?: return emptyList()
-        val chapters = getChapterByMangaId.await(mangaId)
+        val chapters = getChaptersByMangaId.await(mangaId)
             .sortedWith(getChapterSort(manga, sortDescending = false))
 
         return if (onlyUnread) {
diff --git a/domain/src/main/java/tachiyomi/domain/manga/interactor/FetchInterval.kt b/domain/src/main/java/tachiyomi/domain/manga/interactor/FetchInterval.kt
index 740c0a150..308ed8bf6 100644
--- a/domain/src/main/java/tachiyomi/domain/manga/interactor/FetchInterval.kt
+++ b/domain/src/main/java/tachiyomi/domain/manga/interactor/FetchInterval.kt
@@ -1,6 +1,6 @@
 package tachiyomi.domain.manga.interactor
 
-import tachiyomi.domain.chapter.interactor.GetChapterByMangaId
+import tachiyomi.domain.chapter.interactor.GetChaptersByMangaId
 import tachiyomi.domain.chapter.model.Chapter
 import tachiyomi.domain.manga.model.Manga
 import tachiyomi.domain.manga.model.MangaUpdate
@@ -11,7 +11,7 @@ import java.time.temporal.ChronoUnit
 import kotlin.math.absoluteValue
 
 class FetchInterval(
-    private val getChapterByMangaId: GetChapterByMangaId,
+    private val getChaptersByMangaId: GetChaptersByMangaId,
 ) {
 
     suspend fun toMangaUpdateOrNull(
@@ -24,7 +24,7 @@ class FetchInterval(
         } else {
             window
         }
-        val chapters = getChapterByMangaId.await(manga.id)
+        val chapters = getChaptersByMangaId.await(manga.id)
         val interval = manga.fetchInterval.takeIf { it < 0 } ?: calculateInterval(
             chapters,
             dateTime.zone,