diff --git a/src/zh/toptoon/build.gradle b/src/zh/toptoon/build.gradle
new file mode 100644
index 000000000..d9d5850ad
--- /dev/null
+++ b/src/zh/toptoon/build.gradle
@@ -0,0 +1,8 @@
+ext {
+    extName = 'Toptoon.net'
+    extClass = '.Toptoon'
+    extVersionCode = 1
+    isNsfw = true
+}
+
+apply from: "$rootDir/common.gradle"
diff --git a/src/zh/toptoon/res/mipmap-hdpi/ic_launcher.png b/src/zh/toptoon/res/mipmap-hdpi/ic_launcher.png
new file mode 100644
index 000000000..a1b1b6415
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diff --git a/src/zh/toptoon/res/mipmap-mdpi/ic_launcher.png b/src/zh/toptoon/res/mipmap-mdpi/ic_launcher.png
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index 000000000..267315238
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diff --git a/src/zh/toptoon/res/mipmap-xhdpi/ic_launcher.png b/src/zh/toptoon/res/mipmap-xhdpi/ic_launcher.png
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index 000000000..922e68b80
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diff --git a/src/zh/toptoon/res/mipmap-xxhdpi/ic_launcher.png b/src/zh/toptoon/res/mipmap-xxhdpi/ic_launcher.png
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index 000000000..40dcbf062
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diff --git a/src/zh/toptoon/res/mipmap-xxxhdpi/ic_launcher.png b/src/zh/toptoon/res/mipmap-xxxhdpi/ic_launcher.png
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diff --git a/src/zh/toptoon/src/eu/kanade/tachiyomi/extension/zh/toptoon/Toptoon.kt b/src/zh/toptoon/src/eu/kanade/tachiyomi/extension/zh/toptoon/Toptoon.kt
new file mode 100644
index 000000000..876054984
--- /dev/null
+++ b/src/zh/toptoon/src/eu/kanade/tachiyomi/extension/zh/toptoon/Toptoon.kt
@@ -0,0 +1,134 @@
+package eu.kanade.tachiyomi.extension.zh.toptoon
+
+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 keiyoushi.utils.tryParse
+import okhttp3.Response
+import java.text.SimpleDateFormat
+import java.util.Locale
+
+class Toptoon : HttpSource() {
+    override val name: String = "TOPTOON頂通"
+    override val lang: String = "zh"
+    override val supportsLatest = true
+    override val baseUrl = "https://www.toptoon.net"
+
+    // Popular
+
+    override fun popularMangaRequest(page: Int) = GET("$baseUrl/ranking", headers)
+
+    override fun popularMangaParse(response: Response): MangasPage {
+        val jsonUrl = response.body.string()
+            .substringAfter("jsonFileUrl: [\"")
+            .substringBefore("\"")
+            .replace("\\/", "/")
+        val jsonResponse = client.newCall(GET("https:$jsonUrl", headers)).execute()
+        val mangas = jsonResponse.parseAs<PopularResponseDto>().adult.map {
+            it.toSManga()
+        }
+        return MangasPage(mangas, false)
+    }
+
+    // Latest
+
+    override fun latestUpdatesRequest(page: Int) = GET("$baseUrl/search", headers)
+
+    override fun latestUpdatesParse(response: Response): MangasPage {
+        val jsonUrl = response.body.string()
+            .substringAfter("var jsonFileUrl = '")
+            .substringBefore("'")
+        val jsonResponse = client.newCall(GET("https:$jsonUrl", headers)).execute()
+        val mangas = jsonResponse.parseAs<Map<String, MangaDto>>().values
+            .sortedByDescending { it.lastUpdated.pubDate }
+            .map {
+                it.toSManga()
+            }
+        return MangasPage(mangas, false)
+    }
+
+    // Search
+
+    override fun searchMangaRequest(page: Int, query: String, filters: FilterList) = GET("$baseUrl/search#$query", headers)
+
+    override fun searchMangaParse(response: Response): MangasPage {
+        val query = response.request.url.fragment!!
+        val jsonUrl = response.body.string()
+            .substringAfter("var jsonFileUrl = '")
+            .substringBefore("'")
+        val jsonResponse = client.newCall(GET("https:$jsonUrl", headers)).execute()
+        val mangas = jsonResponse.parseAs<Map<String, MangaDto>>().values
+            .map {
+                it.toSManga()
+            }
+            .filter { it.title.contains(query, true) || it.author!!.contains(query, true) }
+        return MangasPage(mangas, false)
+    }
+
+    // Details
+
+    override fun mangaDetailsParse(response: Response): SManga = SManga.create().apply {
+        val document = response.asJsoup()
+        title = document.selectFirst("section.infoContent div.title")!!.text()
+        thumbnail_url = document.selectFirst("div.comicThumb img")!!.absUrl("src")
+        author = document.selectFirst("section.infoContent div.etc")!!.text()
+            .substringAfter("作家 : ").substringBefore("|")
+        description = document.selectFirst("div.comic_story div.desc")!!.text()
+        genre = document.selectFirst("section.infoContent div.hashTag")?.text()
+            ?.replace("#", ", ")
+        if (document.selectFirst("div.etc span.comicDayBox") != null) {
+            status = SManga.ONGOING
+        } else if (document.selectFirst("div.hashTag a[href=/search/keyword/79]") != null) {
+            status = SManga.COMPLETED
+        }
+    }
+
+    // Chapters
+
+    override fun chapterListParse(response: Response): List<SChapter> {
+        if (response.request.url.pathSegments[0].isEmpty()) {
+            throw Exception("请到WebView确认年满18岁")
+        }
+        val document = response.asJsoup()
+        return document.select("section.episode_area ul.list_area li.episodeBox").map {
+            SChapter.create().apply {
+                setUrlWithoutDomain(it.selectFirst("a")!!.absUrl("href"))
+                name = if (it.selectFirst("button.coin, button.gift, button.waitFree") != null) {
+                    "\uD83D\uDD12" // lock emoji
+                } else {
+                    ""
+                } + it.selectFirst("div.title")!!.text() + " " +
+                    it.selectFirst("div.subTitle")!!.text()
+                date_upload = dateFormat.tryParse(it.selectFirst("div.pubDate")?.text())
+            }
+        }.asReversed()
+    }
+
+    // Pages
+
+    override fun pageListParse(response: Response): List<Page> {
+        val pathSegments = response.request.url.pathSegments
+        if (pathSegments[0].isEmpty()) {
+            throw Exception("请到WebView确认年满18岁")
+        } else if (pathSegments.size < 2 || pathSegments[1] != "epView") {
+            throw Exception("请确认是否已登录解锁")
+        }
+        val document = response.asJsoup()
+        val images = document.select("article.epContent section.imgWrap div.cImg img")
+        return images.mapIndexed { index, img ->
+            Page(index, imageUrl = img.absUrl("data-src"))
+        }
+    }
+
+    override fun imageUrlParse(response: Response): String = throw UnsupportedOperationException()
+
+    private val dateFormat by lazy {
+        SimpleDateFormat("yyyy-MM-dd", Locale.ENGLISH)
+    }
+}
diff --git a/src/zh/toptoon/src/eu/kanade/tachiyomi/extension/zh/toptoon/ToptoonDto.kt b/src/zh/toptoon/src/eu/kanade/tachiyomi/extension/zh/toptoon/ToptoonDto.kt
new file mode 100644
index 000000000..d1c0d4d6a
--- /dev/null
+++ b/src/zh/toptoon/src/eu/kanade/tachiyomi/extension/zh/toptoon/ToptoonDto.kt
@@ -0,0 +1,45 @@
+package eu.kanade.tachiyomi.extension.zh.toptoon
+
+import eu.kanade.tachiyomi.source.model.SManga
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.json.JsonArray
+import kotlinx.serialization.json.JsonElement
+import kotlinx.serialization.json.JsonPrimitive
+import kotlinx.serialization.json.jsonPrimitive
+
+@Serializable
+class PopularResponseDto(val adult: List<MangaDto>)
+
+@Serializable
+class MangaDto(
+    private val meta: MetaDto,
+    private val thumbnail: ThumbnailDto,
+    private val id: String,
+    val lastUpdated: LastUpdatedDto,
+) {
+    fun toSManga() = SManga.create().apply {
+        url = "/comic/epList/$id"
+        title = meta.title
+        author = meta.author.authorString
+        thumbnail_url = thumbnail.url
+    }
+}
+
+@Serializable
+class MetaDto(val title: String, val author: AuthorDto)
+
+@Serializable
+class AuthorDto(val authorString: String)
+
+@Serializable
+class ThumbnailDto(private val standard: JsonElement) {
+    // "standard" in json can be either string or array
+    val url get() = when (standard) {
+        is JsonPrimitive -> "https://tw-contents-image.toptoon.net${standard.content}"
+        is JsonArray -> "https://tw-contents-image.toptoon.net${standard[0].jsonPrimitive.content}"
+        else -> throw Exception("Unexpected JSON type")
+    }
+}
+
+@Serializable
+class LastUpdatedDto(val pubDate: String)