diff --git a/src/en/mayotune/build.gradle b/src/en/mayotune/build.gradle
new file mode 100644
index 000000000..e3353ffa2
--- /dev/null
+++ b/src/en/mayotune/build.gradle
@@ -0,0 +1,9 @@
+ext {
+    extName = 'MayoTune'
+    extClass = '.MayoTune'
+    extVersionCode = 1
+    baseUrl = 'https://mayotune.xyz'
+    isNsfw = false
+}
+
+apply from: "$rootDir/common.gradle"
diff --git a/src/en/mayotune/res/mipmap-hdpi/ic_launcher.png b/src/en/mayotune/res/mipmap-hdpi/ic_launcher.png
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diff --git a/src/en/mayotune/res/mipmap-mdpi/ic_launcher.png b/src/en/mayotune/res/mipmap-mdpi/ic_launcher.png
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index 000000000..b2f3f77e9
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diff --git a/src/en/mayotune/res/mipmap-xhdpi/ic_launcher.png b/src/en/mayotune/res/mipmap-xhdpi/ic_launcher.png
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diff --git a/src/en/mayotune/res/mipmap-xxhdpi/ic_launcher.png b/src/en/mayotune/res/mipmap-xxhdpi/ic_launcher.png
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diff --git a/src/en/mayotune/res/mipmap-xxxhdpi/ic_launcher.png b/src/en/mayotune/res/mipmap-xxxhdpi/ic_launcher.png
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diff --git a/src/en/mayotune/src/eu/kanade/tachiyomi/extension/en/mayotune/ChapterDto.kt b/src/en/mayotune/src/eu/kanade/tachiyomi/extension/en/mayotune/ChapterDto.kt
new file mode 100644
index 000000000..9504fc646
--- /dev/null
+++ b/src/en/mayotune/src/eu/kanade/tachiyomi/extension/en/mayotune/ChapterDto.kt
@@ -0,0 +1,35 @@
+package eu.kanade.tachiyomi.extension.en.mayotune
+
+import keiyoushi.utils.tryParse
+import kotlinx.serialization.Contextual
+import kotlinx.serialization.Serializable
+import java.text.SimpleDateFormat
+import java.util.Locale
+
+@Serializable
+data class ChapterDto(
+    val id: String,
+    val title: String,
+    val number: Float,
+    val pageCount: Int,
+    val date: String,
+) {
+    @Contextual
+    private val sdf = SimpleDateFormat("yyyy-MM-dd", Locale.US)
+
+    fun getChapterURL(): String = "/chapter/${this.id}"
+
+    fun getNumberStr(): String = if (this.number % 1 == 0f) {
+        this.number.toInt().toString()
+    } else {
+        this.number.toString()
+    }
+
+    fun getChapterTitle(): String = if (!this.title.isEmpty()) {
+        "Chapter ${this.getNumberStr()}: ${this.title}"
+    } else {
+        "Chapter ${this.getNumberStr()}"
+    }
+
+    fun getDateTimestamp(): Long = this.sdf.tryParse(this.date)
+}
diff --git a/src/en/mayotune/src/eu/kanade/tachiyomi/extension/en/mayotune/MayoTune.kt b/src/en/mayotune/src/eu/kanade/tachiyomi/extension/en/mayotune/MayoTune.kt
new file mode 100644
index 000000000..38fb713bc
--- /dev/null
+++ b/src/en/mayotune/src/eu/kanade/tachiyomi/extension/en/mayotune/MayoTune.kt
@@ -0,0 +1,124 @@
+package eu.kanade.tachiyomi.extension.en.mayotune
+
+import eu.kanade.tachiyomi.network.GET
+import eu.kanade.tachiyomi.source.model.FilterList
+import eu.kanade.tachiyomi.source.model.MangasPage
+import eu.kanade.tachiyomi.source.model.Page
+import eu.kanade.tachiyomi.source.model.SChapter
+import eu.kanade.tachiyomi.source.model.SManga
+import eu.kanade.tachiyomi.source.online.HttpSource
+import eu.kanade.tachiyomi.util.asJsoup
+import keiyoushi.utils.parseAs
+import okhttp3.Request
+import okhttp3.Response
+import rx.Observable
+
+class MayoTune() : HttpSource() {
+    override val name: String = "MayoTune"
+    override val baseUrl: String = "https://mayotune.xyz"
+    override val lang: String = "en"
+    override val versionId: Int = 1
+
+    private val source = SManga.create().apply {
+        title = "Mayonaka Heart Tune"
+        url = "/"
+        thumbnail_url = "$baseUrl/img/cover.jpg"
+        author = "Masakuni Igarashi"
+    }
+
+    // Popular
+    override fun fetchPopularManga(page: Int): Observable<MangasPage> {
+        return Observable.just(MangasPage(listOf(source), false))
+    }
+
+    override fun popularMangaRequest(page: Int): Request = throw UnsupportedOperationException()
+    override fun popularMangaParse(response: Response): MangasPage =
+        throw UnsupportedOperationException()
+
+    // Latest
+    override val supportsLatest: Boolean = true
+    override fun fetchLatestUpdates(page: Int): Observable<MangasPage> {
+        return Observable.just(MangasPage(listOf(source), false))
+    }
+
+    override fun latestUpdatesRequest(page: Int): Request = throw UnsupportedOperationException()
+    override fun latestUpdatesParse(response: Response): MangasPage =
+        throw UnsupportedOperationException()
+
+    // Search
+    override fun fetchSearchManga(
+        page: Int,
+        query: String,
+        filters: FilterList,
+    ): Observable<MangasPage> {
+        val mangas = mutableListOf<SManga>()
+
+        if (source.title.lowercase().contains(query.lowercase()) ||
+            source.author?.lowercase()?.contains(query.lowercase()) == true
+        ) {
+            mangas.add(source)
+        }
+
+        return Observable.just(MangasPage(mangas, false))
+    }
+
+    override fun searchMangaRequest(page: Int, query: String, filters: FilterList) =
+        throw UnsupportedOperationException()
+
+    override fun searchMangaParse(response: Response): MangasPage =
+        throw UnsupportedOperationException()
+
+    // Get Override
+    override fun chapterListRequest(manga: SManga): Request {
+        return GET("$baseUrl/api/chapters", headers)
+    }
+
+    // Details
+    override fun mangaDetailsParse(response: Response): SManga = SManga.create().apply {
+        val document = response.asJsoup()
+        val statusText =
+            document.selectFirst("div.text-center:contains(Status)")?.text()
+                ?.substringBefore("Status")
+                ?.trim()
+
+        url = source.url
+        title = source.title
+        artist = source.artist
+        author = source.author
+        description = document.selectFirst(".text-lg")?.text()
+        genre = document.selectFirst("span.text-sm:nth-child(2)")?.text()?.replace("•", ",")
+        status = when (statusText) {
+            "Ongoing" -> SManga.ONGOING
+            "Completed" -> SManga.COMPLETED
+            "Cancelled" -> SManga.CANCELLED
+            "Hiatus" -> SManga.ON_HIATUS
+            "Finished" -> SManga.PUBLISHING_FINISHED
+            else -> SManga.UNKNOWN
+        }
+        thumbnail_url = document.selectFirst("img.object-contain")?.absUrl("src")
+            ?.ifEmpty { source.thumbnail_url }
+    }
+
+    // Chapters
+    override fun chapterListParse(response: Response): List<SChapter> {
+        val chapters = response.parseAs<List<ChapterDto>>()
+        return chapters.sortedByDescending { it.number }.map { chapter ->
+            SChapter.create().apply {
+                url = chapter.getChapterURL()
+                name = chapter.getChapterTitle()
+                chapter_number = chapter.number
+                date_upload = chapter.getDateTimestamp()
+            }
+        }
+    }
+    // Pages
+
+    override fun pageListParse(response: Response): List<Page> {
+        val document = response.asJsoup()
+        return document.select("div.w-full > img").mapIndexed { index, img ->
+            Page(index, imageUrl = img.absUrl("src"))
+        }
+    }
+
+    override fun imageUrlParse(response: Response): String = throw UnsupportedOperationException()
+}