diff --git a/src/en/hwtmanga/AndroidManifest.xml b/src/en/hwtmanga/AndroidManifest.xml
new file mode 100644
index 000000000..30deb7f79
--- /dev/null
+++ b/src/en/hwtmanga/AndroidManifest.xml
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest package="eu.kanade.tachiyomi.extension" />
diff --git a/src/en/hwtmanga/build.gradle b/src/en/hwtmanga/build.gradle
new file mode 100644
index 000000000..7ba873c1c
--- /dev/null
+++ b/src/en/hwtmanga/build.gradle
@@ -0,0 +1,13 @@
+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlinx-serialization'
+
+ext {
+    extName = 'Hardworking Translations'
+    pkgNameSuffix = 'en.hwtmanga'
+    extClass = '.HWTManga'
+    extVersionCode = 1
+    containsNsfw = true
+}
+
+apply from: "$rootDir/common.gradle"
diff --git a/src/en/hwtmanga/res/mipmap-hdpi/ic_launcher.png b/src/en/hwtmanga/res/mipmap-hdpi/ic_launcher.png
new file mode 100644
index 000000000..64034b426
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diff --git a/src/en/hwtmanga/res/mipmap-mdpi/ic_launcher.png b/src/en/hwtmanga/res/mipmap-mdpi/ic_launcher.png
new file mode 100644
index 000000000..fa3710a6b
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diff --git a/src/en/hwtmanga/res/mipmap-xhdpi/ic_launcher.png b/src/en/hwtmanga/res/mipmap-xhdpi/ic_launcher.png
new file mode 100644
index 000000000..695aaca1c
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diff --git a/src/en/hwtmanga/res/mipmap-xxhdpi/ic_launcher.png b/src/en/hwtmanga/res/mipmap-xxhdpi/ic_launcher.png
new file mode 100644
index 000000000..5ccceacce
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diff --git a/src/en/hwtmanga/res/mipmap-xxxhdpi/ic_launcher.png b/src/en/hwtmanga/res/mipmap-xxxhdpi/ic_launcher.png
new file mode 100644
index 000000000..247cfd6f4
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diff --git a/src/en/hwtmanga/res/web_hi_res_512.png b/src/en/hwtmanga/res/web_hi_res_512.png
new file mode 100644
index 000000000..55ffb5305
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diff --git a/src/en/hwtmanga/src/eu/kanade/tachiyomi/extension/en/hwtmanga/HWTFilters.kt b/src/en/hwtmanga/src/eu/kanade/tachiyomi/extension/en/hwtmanga/HWTFilters.kt
new file mode 100644
index 000000000..a096e1c81
--- /dev/null
+++ b/src/en/hwtmanga/src/eu/kanade/tachiyomi/extension/en/hwtmanga/HWTFilters.kt
@@ -0,0 +1,132 @@
+package eu.kanade.tachiyomi.extension.en.hwtmanga
+
+import eu.kanade.tachiyomi.source.model.Filter
+
+class Tag(name: String, private val id: String) : Filter.CheckBox(name) {
+    override fun toString() = id
+}
+
+private val tags: List<Tag>
+    get() = listOf(
+        Tag("Action", "action"),
+        Tag("Adventure", "adventure"),
+        Tag("Comedy", "comedy"),
+        Tag("Cooking", "cooking"),
+        Tag("Drama", "drama"),
+        Tag("Fantasy", "fantasy"),
+        Tag("Horror", "horror"),
+        Tag("Mystery", "mystery"),
+        Tag("Martial Arts", "martialarts"),
+        Tag("Romance", "romance"),
+        Tag("School Life", "school"),
+        Tag("Shoujo", "shoujo"),
+        Tag("Shounen", "shounen"),
+        Tag("Supernatural", "supernatural"),
+        Tag("Sci-fi", "sci-fi"),
+        Tag("Slice of Life", "slice of life"),
+        Tag("Adult", "adult"),
+        Tag("Ancient era", "ancient era"),
+        Tag("Arranged Marriage", "arranged_marriage"),
+        Tag("Age gap", "age_gap"),
+        Tag("Betrayal", "betrayal"),
+        Tag("Clan", "clan"),
+        Tag("Childhood Friends", "childhood_friends"),
+        Tag("Couple", "couple"),
+        Tag("Crime", "crime"),
+        Tag("Cultivation", "cultivation"),
+        Tag("Comic", "comic"),
+        Tag("Delinquent", "delinquent"),
+        Tag("Doujinshi", "doujinshi"),
+        Tag("Ecchi", "ecchi"),
+        Tag("Family", "family"),
+        Tag("Fetishes", "fetish"),
+        Tag("Gender Bender", "gender_bender"),
+        Tag("Gyaru", "gyaru"),
+        Tag("Harem", "harem"),
+        Tag("Historical", "historical"),
+        Tag("Isekai", "isekai"),
+        Tag("Josei", "josei"),
+        Tag("Lolicon", "lolicon"),
+        Tag("Leader or Politician", "leader_politician"),
+        Tag("Mature", "mature"),
+        Tag("Magic", "magic"),
+        Tag("Mangaka", "mangaka"),
+        Tag("Masochist", "masochist"),
+        Tag("Monsters", "monsters"),
+        Tag("Mecha", "mecha"),
+        Tag("Music", "music"),
+        Tag("Medical", "medical"),
+        Tag("Misunderstands", "misunderstands"),
+        Tag("OneShot", "oneshot"),
+        Tag("Public figure", "public figure"),
+        Tag("Psychological", "psychological"),
+        Tag("Powerful Lead Character", "powerful"),
+        Tag("Rushed ending", "rushed end"),
+        Tag("Revenge", "revenge"),
+        Tag("Reverse Harem", "reverse_harem"),
+        Tag("Sadist", "sadist"),
+        Tag("Seinen", "seinen"),
+        Tag("Shotacon", "shotacon"),
+        Tag("Secret Crush", "secret_crush"),
+        Tag("Secret Relationship", "secret_relationship"),
+        Tag("Smart MC", "smart_mc"),
+        Tag("Sports", "sports"),
+        Tag("Smut", "smut"),
+        Tag("Tragedy", "tragedy"),
+        Tag("Tomboy", "tomboy"),
+        Tag("Triangles", "triangles"),
+        Tag("Unusual Pupils", "unusual_pupils"),
+        Tag("Vampires", "vampires"),
+        Tag("Webtoon", "webtoon"),
+        Tag("Work", "work"),
+        Tag("Zombies", "zombies"),
+        Tag("4-Koma", "4koma"),
+        Tag("Manga", "manga"),
+        Tag("Manhwa", "manhwa"),
+        Tag("Manhua", "manhua"),
+    )
+
+class TagFilter(
+    values: List<Tag> = tags
+) : Filter.Group<Tag>("Tag Match", values) {
+    override fun toString() =
+        state.filter { it.state }.joinToString(";").ifEmpty { "all;" }
+}
+
+private val states: Array<String>
+    get() = arrayOf("ALL", "Completed", "Ongoing")
+
+class StateFilter(
+    values: Array<String> = states
+) : Filter.Select<String>("State", values) {
+    private val ids = arrayOf("all", "complete", "ongoing")
+
+    override fun toString() = ids[state]
+}
+
+private val orders: Array<String>
+    get() = arrayOf(
+        "A~Z",
+        "Z~A",
+        "Newest",
+        "Oldest",
+        "Most Liked",
+        "Most Viewed",
+        "Most Favourite"
+    )
+
+class OrderFilter(
+    values: Array<String> = orders
+) : Filter.Select<String>("Order By", values) {
+    private val ids = arrayOf(
+        "az",
+        "za",
+        "newest",
+        "oldest",
+        "liked",
+        "viewed",
+        "fav"
+    )
+
+    override fun toString() = ids[state]
+}
diff --git a/src/en/hwtmanga/src/eu/kanade/tachiyomi/extension/en/hwtmanga/HWTManga.kt b/src/en/hwtmanga/src/eu/kanade/tachiyomi/extension/en/hwtmanga/HWTManga.kt
new file mode 100644
index 000000000..fd0a862ee
--- /dev/null
+++ b/src/en/hwtmanga/src/eu/kanade/tachiyomi/extension/en/hwtmanga/HWTManga.kt
@@ -0,0 +1,215 @@
+package eu.kanade.tachiyomi.extension.en.hwtmanga
+
+import eu.kanade.tachiyomi.annotations.Nsfw
+import eu.kanade.tachiyomi.network.POST
+import eu.kanade.tachiyomi.network.asObservableSuccess
+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 kotlinx.serialization.json.Json
+import kotlinx.serialization.json.decodeFromJsonElement
+import kotlinx.serialization.json.jsonObject
+import okhttp3.Cookie
+import okhttp3.CookieJar
+import okhttp3.FormBody
+import okhttp3.HttpUrl
+import okhttp3.Request
+import okhttp3.Response
+import uy.kohesive.injekt.injectLazy
+import java.text.SimpleDateFormat
+import java.util.Locale
+
+@Nsfw class HWTManga : HttpSource() {
+    override val name = "Hardworking Translations"
+
+    override val baseUrl = "https://www.hwtmanga.com/hwt/"
+
+    override val lang = "en"
+
+    override val supportsLatest = true
+
+    override val client = network.client.newBuilder().cookieJar(
+        object : CookieJar {
+            override fun saveFromResponse(url: HttpUrl, cookies: List<Cookie>) {}
+
+            override fun loadForRequest(url: HttpUrl) =
+                listOf(
+                    Cookie.Builder()
+                        .domain("www.hwtmanga.com")
+                        .path("/hwt")
+                        .name("PHPSESSID")
+                        .value(sessionID)
+                        .build(),
+                    Cookie.Builder()
+                        .domain("www.hwtmanga.com")
+                        .path("/")
+                        .name("manga_security_id")
+                        .value(postID)
+                        .build()
+                )
+        }
+    ).build()
+
+    private var postID = ""
+
+    private var sessionID = ""
+
+    private val json by injectLazy<Json>()
+
+    override fun latestUpdatesRequest(page: Int) =
+        FormBody.Builder().search(order = "newest", pid = page)
+
+    override fun latestUpdatesParse(response: Response) =
+        searchMangaParse(response)
+
+    override fun popularMangaRequest(page: Int) =
+        FormBody.Builder().search(order = "viewed", pid = page)
+
+    override fun popularMangaParse(response: Response) =
+        searchMangaParse(response)
+
+    override fun searchMangaRequest(page: Int, query: String, filters: FilterList) =
+        FormBody.Builder().search(
+            query = query,
+            pid = page,
+            tags = filters.get<TagFilter>("all;"),
+            state = filters.get<StateFilter>("all"),
+            order = filters.get<OrderFilter>("az")
+        )
+
+    override fun searchMangaParse(response: Response) =
+        response.parse<List<HWTQuery>>("query").map {
+            SManga.create().apply {
+                title = it.title
+                thumbnail_url = it.cimage
+                url = "?page=manga&vid=${it.postID}"
+            }
+        }.let { MangasPage(it, false) }
+
+    override fun fetchMangaDetails(manga: SManga) =
+        FormBody.Builder().post("GET_MANGA_INFO") {
+            add("scom", "0")
+            add("pageid", "1")
+            add("pid", manga.id)
+        }.let(client::newCall).asObservableSuccess().map { res ->
+            // Session cookie is required to view pages
+            if (sessionID == "") {
+                val request = Request.Builder()
+                    .url(baseUrl)
+                    .headers(headers)
+                    .head().build()
+                client.newCall(request).execute().header("Set-Cookie")?.let {
+                    sessionID = Cookie.parse(request.url, it)?.value ?: ""
+                }
+            }
+
+            val info = res.parse<HWTMangaInfo>("mangaInfo")
+            info.tags[0].value = info.mtag.value
+            manga.title = info.title
+            manga.thumbnail_url = info.cover
+            manga.description = info.desc + "\n\n\n" +
+                info.onames.replace(",", " | ")
+            manga.genre = info.tags.joinToString { it.value!! }
+            manga.status = when (info.statue) {
+                1 -> SManga.ONGOING
+                else -> SManga.UNKNOWN
+            }
+            manga.initialized = true
+            return@map manga
+        }!!
+
+    override fun chapterListRequest(manga: SManga) =
+        FormBody.Builder().post("GET_CHAPTER_LIST") {
+            add("pageid", "1")
+            add("pid", manga.id)
+        }
+
+    override fun chapterListParse(response: Response) =
+        response.parse<HWTChapterList>("all_data").mapIndexed { idx, ch ->
+            SChapter.create().apply {
+                chapter_number = idx + 1f
+                url = "?page=watch_manga&cid=${ch.fid}&pid=${ch.pid}"
+                date_upload = dateFormat.parse(ch.cdate)?.time ?: 0L
+                name = buildString {
+                    append("Chapter %.0f".format(chapter_number))
+                    if (ch.name != "-") append(" | ${ch.name}")
+                    if (ch.is_locked != "false") append(LOCK)
+                }
+            }
+        }
+
+    override fun pageListRequest(chapter: SChapter) =
+        FormBody.Builder().post("GET_CHA_DATA", "manga_viewer") {
+            val tokens = chapter.tokens
+            postID = tokens[5]
+            add("pageid", "1")
+            add("cid", tokens[3])
+            add("pid", postID)
+        }
+
+    override fun pageListParse(response: Response) =
+        response.parse<List<HWTPage>>("clist")
+            .mapIndexed { idx, page -> Page(idx, "", page.image) }
+
+    override fun getFilterList() =
+        FilterList(TagFilter(), StateFilter(), OrderFilter())
+
+    override fun mangaDetailsParse(response: Response) =
+        throw UnsupportedOperationException("Not used")
+
+    override fun imageUrlParse(response: Response) =
+        throw UnsupportedOperationException("Not used")
+
+    private inline val SManga.id: String
+        get() = url.substringAfterLast('=')
+
+    private inline val SChapter.tokens: List<String>
+        get() = url.split('&', '=')
+
+    private inline val HWTPage.image: String
+        get() = if (base.startsWith("http")) base else baseUrl + base
+
+    private fun FormBody.Builder.post(
+        subpage: String,
+        page: String = "mangaData",
+        block: FormBody.Builder.() -> FormBody.Builder
+    ) = add("page", page).add("subpage", subpage).run {
+        POST(baseUrl + "callback.php", headers, block().build())
+    }
+
+    private fun FormBody.Builder.search(
+        query: String = "",
+        tags: String = "all;",
+        state: String = "all",
+        order: String = "az",
+        pid: Int = 1
+    ) = post("MANGASEARCH") {
+        add("searchbox", query)
+        add("byg", tags)
+        add("bys", state)
+        add("byo", order)
+        add("pid", pid.toString())
+    }
+
+    private inline fun <reified T> Response.parse(key: String) =
+        body!!.string().let { body ->
+            if ("success" !in body) error(body)
+            json.decodeFromJsonElement<T>(
+                json.parseToJsonElement(body).jsonObject[key]!!
+            )
+        }
+
+    private inline fun <reified T> FilterList.get(default: String) =
+        find { it is T }?.toString() ?: default
+
+    companion object {
+        private const val LOCK = " \uD83D\uDD12"
+
+        private val dateFormat by lazy {
+            SimpleDateFormat("MMM dd, yyyy", Locale.ROOT)
+        }
+    }
+}
diff --git a/src/en/hwtmanga/src/eu/kanade/tachiyomi/extension/en/hwtmanga/HWTModels.kt b/src/en/hwtmanga/src/eu/kanade/tachiyomi/extension/en/hwtmanga/HWTModels.kt
new file mode 100644
index 000000000..9b6bf6f29
--- /dev/null
+++ b/src/en/hwtmanga/src/eu/kanade/tachiyomi/extension/en/hwtmanga/HWTModels.kt
@@ -0,0 +1,42 @@
+package eu.kanade.tachiyomi.extension.en.hwtmanga
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class HWTQuery(
+    val cimage: String,
+    val postID: String,
+    val title: String
+)
+
+@Serializable
+data class HWTMangaInfo(
+    val cover: String,
+    val desc: String,
+    val mtag: HWTTag,
+    val onames: String,
+    val statue: Int,
+    val postID: Int,
+    val tags: List<HWTTag>,
+    val title: String
+)
+
+@Serializable
+data class HWTTag(var value: String?)
+
+@Serializable
+data class HWTChapterList(
+    private val chapterList: List<HWTChapter>
+) : List<HWTChapter> by chapterList
+
+@Serializable
+data class HWTChapter(
+    val fid: String,
+    val pid: String,
+    val name: String,
+    val cdate: String,
+    val is_locked: String
+)
+
+@Serializable
+data class HWTPage(val base: String)