diff --git a/src/all/simplyhentai/build.gradle b/src/all/simplyhentai/build.gradle
new file mode 100644
index 000000000..08f5c2f29
--- /dev/null
+++ b/src/all/simplyhentai/build.gradle
@@ -0,0 +1,17 @@
+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+
+ext {
+    appName = 'Tachiyomi: Simply Hentai'
+    pkgNameSuffix = 'all.simplyhentai'
+    extClass = '.SimplyHentaiFactory'
+    extVersionCode = 1
+    libVersion = '1.2'
+}
+
+dependencies {
+    compileOnly 'com.google.code.gson:gson:2.8.2'
+    compileOnly 'com.github.salomonbrys.kotson:kotson:2.5.0'
+}
+
+apply from: "$rootDir/common.gradle"
diff --git a/src/all/simplyhentai/res/mipmap-hdpi/ic_launcher.png b/src/all/simplyhentai/res/mipmap-hdpi/ic_launcher.png
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diff --git a/src/all/simplyhentai/res/mipmap-mdpi/ic_launcher.png b/src/all/simplyhentai/res/mipmap-mdpi/ic_launcher.png
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diff --git a/src/all/simplyhentai/res/mipmap-xhdpi/ic_launcher.png b/src/all/simplyhentai/res/mipmap-xhdpi/ic_launcher.png
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diff --git a/src/all/simplyhentai/res/mipmap-xxhdpi/ic_launcher.png b/src/all/simplyhentai/res/mipmap-xxhdpi/ic_launcher.png
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diff --git a/src/all/simplyhentai/res/mipmap-xxxhdpi/ic_launcher.png b/src/all/simplyhentai/res/mipmap-xxxhdpi/ic_launcher.png
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diff --git a/src/all/simplyhentai/res/web_hi_res_512.png b/src/all/simplyhentai/res/web_hi_res_512.png
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diff --git a/src/all/simplyhentai/src/eu/kanade/tachiyomi/extension/all/simplyhentai/SimplyHentai.kt b/src/all/simplyhentai/src/eu/kanade/tachiyomi/extension/all/simplyhentai/SimplyHentai.kt
new file mode 100644
index 000000000..6830ea49f
--- /dev/null
+++ b/src/all/simplyhentai/src/eu/kanade/tachiyomi/extension/all/simplyhentai/SimplyHentai.kt
@@ -0,0 +1,199 @@
+package eu.kanade.tachiyomi.extension.all.simplyhentai
+
+import com.github.salomonbrys.kotson.forEach
+import com.github.salomonbrys.kotson.fromJson
+import com.github.salomonbrys.kotson.get
+import com.github.salomonbrys.kotson.string
+import com.google.gson.Gson
+import com.google.gson.JsonObject
+import eu.kanade.tachiyomi.network.GET
+import eu.kanade.tachiyomi.source.model.*
+import eu.kanade.tachiyomi.source.online.ParsedHttpSource
+import okhttp3.HttpUrl
+import okhttp3.OkHttpClient
+import okhttp3.Request
+import okhttp3.Response
+import org.jsoup.nodes.Document
+import org.jsoup.nodes.Element
+
+
+abstract class SimplyHentai (
+    override val lang: String,
+    private val urlLang: String,
+    private val searchLang: String
+) : ParsedHttpSource() {
+    override val name = "Simply Hentai"
+
+    override val baseUrl = "https://www.simply-hentai.com"
+
+    override val supportsLatest = true
+
+    override val client: OkHttpClient = network.cloudflareClient
+
+    private val gson = Gson()
+
+    // Popular
+
+    override fun popularMangaRequest(page: Int): Request {
+        return GET("$baseUrl/album/language/$urlLang/$page/popularity/desc", headers)
+    }
+
+    override fun popularMangaSelector() = "div.col-sm-3"
+
+    override fun popularMangaFromElement(element: Element): SManga {
+        val manga = SManga.create()
+
+        element.select("h3.object-title a").let {
+            manga.url = it.attr("href").substringAfter(baseUrl)
+            manga.title = it.text()
+        }
+        manga.thumbnail_url = element.select("img.img-responsive").attr("abs:data-src")
+
+        return manga
+    }
+
+    override fun popularMangaNextPageSelector() = "a[rel=next]"
+
+    // Latest
+
+    override fun latestUpdatesRequest(page: Int): Request {
+        return GET("$baseUrl/album/language/$urlLang/$page", headers)
+    }
+
+    override fun latestUpdatesSelector() = popularMangaSelector()
+
+    override fun latestUpdatesFromElement(element: Element): SManga = popularMangaFromElement(element)
+
+    override fun latestUpdatesNextPageSelector() = popularMangaNextPageSelector()
+
+    // Search
+
+    override fun searchMangaRequest(page: Int, query: String, filters: FilterList): Request {
+        val url = HttpUrl.parse("$baseUrl/search")!!.newBuilder()
+            .addQueryParameter("query", query)
+            .addQueryParameter("language_ids[$searchLang]", searchLang)
+            .addQueryParameter("page", page.toString())
+
+        (if (filters.isEmpty()) getFilterList() else filters).forEach { filter ->
+            when (filter) {
+                is GenreList -> {
+                    filter.state.forEach {
+                        if (it.state) url.addQueryParameter("tag_ids[${it.id}]", it.id)
+                    }
+                }
+                is SeriesList -> {
+                    filter.state.forEach {
+                        if (it.state) url.addQueryParameter("series_id[${it.id}]", it.id)
+                    }
+                }
+                is SortOrder -> {
+                    url.addQueryParameter("sort", getSortOrder()[filter.state].second)
+                }
+            }
+        }
+
+        return GET(url.toString(), headers)
+    }
+
+    override fun searchMangaSelector() = popularMangaSelector()
+
+    override fun searchMangaFromElement(element: Element) = popularMangaFromElement(element)
+
+    override fun searchMangaNextPageSelector() = popularMangaNextPageSelector()
+
+    // Details
+
+    override fun mangaDetailsParse(document: Document): SManga {
+        val manga = SManga.create()
+
+        document.select("div.padding-md-right-8").let { info ->
+            manga.artist = info.select("div.box-title:contains(Artists) + a").text()
+            manga.author = manga.artist
+            manga.genre = info.select("a[rel=tag]").joinToString { it.text() }
+            manga.description = info.select("div.link-box > div.box-title:contains(Series) ~ a").let { e ->
+                if (e.text().isNotEmpty()) "Series: ${e.joinToString { it.text() }}\n\n" else ""
+            }
+            manga.description += info.select("div.link-box > div.box-title:contains(Characters) ~ a").let { e ->
+                if (e.text().isNotEmpty()) ("Characters: ${e.joinToString { it.text() }}\n\n") else ""
+            }
+        }
+        manga.thumbnail_url = document.select("div.col-xs-12 img.img-responsive").attr("abs:data-src")
+
+        return manga
+    }
+
+    // Chapters
+
+    override fun chapterListParse(response: Response): List<SChapter> {
+        val chapter = SChapter.create().apply {
+            name = "Chapter"
+            url = response.request().url().toString().removeSuffix("/").substringAfterLast("/")
+        }
+        return listOf(chapter)
+    }
+
+    override fun chapterListSelector() = "not used"
+
+    override fun chapterFromElement(element: Element): SChapter = throw UnsupportedOperationException("Not used")
+
+    // Pages
+
+    override fun pageListRequest(chapter: SChapter): Request {
+        return GET("https://api.simply-hentai.com/v1/images/album/${chapter.url}", headersBuilder().add("X-Requested-With", "XMLHttpRequest").build())
+    }
+
+    override fun pageListParse(response: Response): List<Page> {
+        val pages = mutableListOf<Page>()
+
+        gson.fromJson<JsonObject>(response.body()!!.string()).forEach { _, jsonElement ->
+            pages.add(Page(pages.size, "", jsonElement["sizes"]["full"].string))
+        }
+
+        return pages
+    }
+
+    override fun pageListParse(document: Document): List<Page> = throw UnsupportedOperationException("Not used")
+
+    override fun imageUrlParse(document: Document): String = throw UnsupportedOperationException("Not used")
+
+    // Filters
+
+    private class SortOrder(sortPairs: List<Pair<String, String>>): Filter.Select<String>("Sort By", sortPairs.map { it.first }.toTypedArray())
+    private class SearchPair(name: String, val id: String = name) : Filter.CheckBox(name)
+    private class GenreList(searchVal: List<SearchPair>) : Filter.Group<SearchPair>("Genres", searchVal)
+    private class SeriesList(searchVal: List<SearchPair>) : Filter.Group<SearchPair>("Series", searchVal)
+
+    override fun getFilterList() = FilterList(
+        SortOrder(getSortOrder()),
+        GenreList(getGenreList()),
+        SeriesList(getSeriesList())
+    )
+
+    // "Relevance" should be empty, don't add a "Views" sort order
+    private fun getSortOrder() = listOf(
+        Pair("Relevance", ""),
+        Pair("Popularity", "sort_value"),
+        Pair("Upload Date", "created_at")
+    )
+
+    // TODO: add more to getGenreList and getSeriesList
+    private fun getGenreList() = listOf(
+        SearchPair("Solo Female", "4807"),
+        SearchPair("Solo Male", "4805"),
+        SearchPair("Big Breasts", "2528"),
+        SearchPair("Nakadashi", "2418"),
+        SearchPair("Blowjob", "64"),
+        SearchPair("Schoolgirl Uniform", "2522"),
+        SearchPair("Stockings", "33")
+    )
+
+    private fun getSeriesList() = listOf(
+        SearchPair("Original Work", "1093"),
+        SearchPair("Kantai Collection", "1316"),
+        SearchPair("Touhou", "747"),
+        SearchPair("Fate Grand Order", "2171"),
+        SearchPair("Idolmaster", "306"),
+        SearchPair("Granblue Fantasy", "2041"),
+        SearchPair("Girls Und Panzer", "1324")
+    )
+}
diff --git a/src/all/simplyhentai/src/eu/kanade/tachiyomi/extension/all/simplyhentai/SimplyHentaiFactory.kt b/src/all/simplyhentai/src/eu/kanade/tachiyomi/extension/all/simplyhentai/SimplyHentaiFactory.kt
new file mode 100644
index 000000000..facae7ffb
--- /dev/null
+++ b/src/all/simplyhentai/src/eu/kanade/tachiyomi/extension/all/simplyhentai/SimplyHentaiFactory.kt
@@ -0,0 +1,29 @@
+package eu.kanade.tachiyomi.extension.all.simplyhentai
+
+import eu.kanade.tachiyomi.source.Source
+import eu.kanade.tachiyomi.source.SourceFactory
+
+class SimplyHentaiFactory : SourceFactory {
+    override fun createSources(): List<Source> = listOf(
+        SimplyHentaiEN(),
+        SimplyHentaiJA(),
+        SimplyHentaiZH(),
+        SimplyHentaiKO(),
+        SimplyHentaiES(),
+        SimplyHentaiRU(),
+        SimplyHentaiFR(),
+        SimplyHentaiDE(),
+        SimplyHentaiPT()
+        )
+}
+
+class SimplyHentaiEN: SimplyHentai("en", "english", "1")
+class SimplyHentaiJA: SimplyHentai("ja", "japanese", "2")
+class SimplyHentaiZH: SimplyHentai("zh", "chinese", "11")
+class SimplyHentaiKO: SimplyHentai("ko", "korean", "9")
+class SimplyHentaiES: SimplyHentai("es", "spanish", "8")
+class SimplyHentaiRU: SimplyHentai("ru", "russian", "7")
+class SimplyHentaiFR: SimplyHentai("fr", "french", "3")
+class SimplyHentaiDE: SimplyHentai("de", "german", "4")
+class SimplyHentaiPT: SimplyHentai("pt", "portuguese", "6")
+