diff --git a/src/vi/truyenhentai18/AndroidManifest.xml b/src/vi/truyenhentai18/AndroidManifest.xml
new file mode 100644
index 000000000..d432c95fb
--- /dev/null
+++ b/src/vi/truyenhentai18/AndroidManifest.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <application>
+        <activity
+            android:name=".vi.truyenhentai18.TruyenHentai18UrlActivity"
+            android:excludeFromRecents="true"
+            android:exported="true"
+            android:theme="@android:style/Theme.NoDisplay">
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW"/>
+                <category android:name="android.intent.category.DEFAULT"/>
+                <category android:name="android.intent.category.BROWSABLE"/>
+
+                <data
+                    android:host="truyenhentai18.net"
+                    android:pathPattern="/..*\\.html"
+                    android:scheme="https"/>
+            </intent-filter>
+        </activity>
+    </application>
+</manifest>
diff --git a/src/vi/truyenhentai18/build.gradle b/src/vi/truyenhentai18/build.gradle
new file mode 100644
index 000000000..82d8540f1
--- /dev/null
+++ b/src/vi/truyenhentai18/build.gradle
@@ -0,0 +1,8 @@
+ext {
+    extName = "Truyen Hentai 18+"
+    extClass = ".TruyenHentai18"
+    extVersionCode = 1
+    isNsfw = true
+}
+
+apply from: "$rootDir/common.gradle"
diff --git a/src/vi/truyenhentai18/res/mipmap-hdpi/ic_launcher.png b/src/vi/truyenhentai18/res/mipmap-hdpi/ic_launcher.png
new file mode 100644
index 000000000..f2c7bd873
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diff --git a/src/vi/truyenhentai18/res/mipmap-mdpi/ic_launcher.png b/src/vi/truyenhentai18/res/mipmap-mdpi/ic_launcher.png
new file mode 100644
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diff --git a/src/vi/truyenhentai18/res/mipmap-xhdpi/ic_launcher.png b/src/vi/truyenhentai18/res/mipmap-xhdpi/ic_launcher.png
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diff --git a/src/vi/truyenhentai18/res/mipmap-xxhdpi/ic_launcher.png b/src/vi/truyenhentai18/res/mipmap-xxhdpi/ic_launcher.png
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diff --git a/src/vi/truyenhentai18/res/mipmap-xxxhdpi/ic_launcher.png b/src/vi/truyenhentai18/res/mipmap-xxxhdpi/ic_launcher.png
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diff --git a/src/vi/truyenhentai18/src/eu/kanade/tachiyomi/extension/vi/truyenhentai18/TruyenHentai18.kt b/src/vi/truyenhentai18/src/eu/kanade/tachiyomi/extension/vi/truyenhentai18/TruyenHentai18.kt
new file mode 100644
index 000000000..08f6aff67
--- /dev/null
+++ b/src/vi/truyenhentai18/src/eu/kanade/tachiyomi/extension/vi/truyenhentai18/TruyenHentai18.kt
@@ -0,0 +1,150 @@
+package eu.kanade.tachiyomi.extension.vi.truyenhentai18
+
+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.ParsedHttpSource
+import okhttp3.HttpUrl.Companion.toHttpUrl
+import okhttp3.Request
+import org.jsoup.nodes.Document
+import org.jsoup.nodes.Element
+import rx.Observable
+import java.util.Calendar
+
+class TruyenHentai18 : ParsedHttpSource() {
+
+    override val name = "Truyện Hentai 18+"
+
+    override val baseUrl = "https://truyenhentai18.net"
+
+    override val lang = "vi"
+
+    override val supportsLatest = true
+
+    override val client = network.cloudflareClient
+
+    override fun headersBuilder() = super.headersBuilder()
+        .add("Referer", "$baseUrl/")
+
+    override fun popularMangaRequest(page: Int) =
+        GET("$baseUrl/truyen-de-xuat" + if (page > 1) "/page/$page" else "", headers)
+
+    override fun popularMangaSelector() = "div.row > div[class^=item-] > div.card"
+
+    override fun popularMangaFromElement(element: Element) = SManga.create().apply {
+        element.selectFirst("a.item-title")!!.let {
+            setUrlWithoutDomain(it.attr("href"))
+            title = it.text()
+        }
+
+        thumbnail_url = element.selectFirst("a.item-cover img")?.absUrl("data-src")
+    }
+
+    override fun popularMangaNextPageSelector() = "ul.pagination li.page-item.active:not(:last-child)"
+
+    override fun latestUpdatesRequest(page: Int) =
+        GET("$baseUrl/truyen-moi" + if (page > 1) "/page/$page" else "", headers)
+
+    override fun latestUpdatesSelector() = popularMangaSelector()
+
+    override fun latestUpdatesFromElement(element: Element) = popularMangaFromElement(element)
+
+    override fun latestUpdatesNextPageSelector() = popularMangaNextPageSelector()
+
+    override fun fetchSearchManga(
+        page: Int,
+        query: String,
+        filters: FilterList,
+    ): Observable<MangasPage> {
+        return if (query.startsWith(PREFIX_SLUG_SEARCH)) {
+            val slug = query.removePrefix(PREFIX_SLUG_SEARCH)
+            val url = "/$slug"
+
+            fetchMangaDetails(SManga.create().apply { this.url = url })
+                .map { MangasPage(listOf(it.apply { this.url = url }), false) }
+        } else {
+            super.fetchSearchManga(page, query, filters)
+        }
+    }
+
+    override fun searchMangaRequest(page: Int, query: String, filters: FilterList): Request {
+        val url = baseUrl.toHttpUrl().newBuilder().apply {
+            if (page > 1) {
+                addPathSegment("page")
+                addPathSegment(page.toString())
+            }
+
+            addQueryParameter("s", query)
+        }.build()
+
+        return GET(url, headers)
+    }
+
+    override fun searchMangaSelector() = "div[data-id] > div.card"
+
+    override fun searchMangaFromElement(element: Element) = popularMangaFromElement(element)
+
+    override fun searchMangaNextPageSelector() = popularMangaNextPageSelector()
+
+    override fun mangaDetailsParse(document: Document) = SManga.create().apply {
+        val statusClassName = document.selectFirst("em.eflag.item-flag")!!.className()
+
+        title = document.selectFirst("span[itemprop=name]")!!.text()
+        author = document.select("div.attr-item b:contains(Tác giả) ~ span a, span[itemprop=author]").joinToString { it.text() }
+        description = document.selectFirst("div[itemprop=about]")?.text()
+        genre = document.select("ul.post-categories li a").joinToString { it.text() }
+        thumbnail_url = document.selectFirst("div.attr-cover img")?.absUrl("src")
+        status = when {
+            statusClassName.contains("flag-completed") -> SManga.COMPLETED
+            statusClassName.contains("flag-ongoing") -> SManga.ONGOING
+            else -> SManga.UNKNOWN
+        }
+    }
+
+    override fun chapterListSelector() = "#chaptersbox > div"
+
+    override fun chapterFromElement(element: Element) = SChapter.create().apply {
+        element.selectFirst("a")!!.let {
+            setUrlWithoutDomain(it.attr("href"))
+            name = it.selectFirst("b")!!.text()
+        }
+
+        date_upload = element.selectFirst("div.extra > i.ps-3")
+            ?.text()
+            ?.let { parseRelativeDate(it) }
+            ?: 0L
+    }
+
+    override fun pageListParse(document: Document) =
+        document.select("#viewer img").mapIndexed { i, it ->
+            Page(i, imageUrl = it.absUrl("src"))
+        }
+
+    override fun imageUrlParse(document: Document) = throw UnsupportedOperationException()
+
+    private fun parseRelativeDate(date: String): Long {
+        val (valueString, unit) = date.substringBefore(" trước").split(" ")
+        val value = valueString.toInt()
+
+        val calendar = Calendar.getInstance().apply {
+            when (unit) {
+                "giây" -> add(Calendar.SECOND, -value)
+                "phút" -> add(Calendar.MINUTE, -value)
+                "giờ" -> add(Calendar.HOUR_OF_DAY, -value)
+                "ngày" -> add(Calendar.DAY_OF_MONTH, -value)
+                "tuần" -> add(Calendar.WEEK_OF_MONTH, -value)
+                "tháng" -> add(Calendar.MONTH, -value)
+                "năm" -> add(Calendar.YEAR, -value)
+            }
+        }
+
+        return calendar.timeInMillis
+    }
+
+    companion object {
+        internal const val PREFIX_SLUG_SEARCH = "slug:"
+    }
+}
diff --git a/src/vi/truyenhentai18/src/eu/kanade/tachiyomi/extension/vi/truyenhentai18/TruyenHentai18UrlActivity.kt b/src/vi/truyenhentai18/src/eu/kanade/tachiyomi/extension/vi/truyenhentai18/TruyenHentai18UrlActivity.kt
new file mode 100644
index 000000000..91a3fe261
--- /dev/null
+++ b/src/vi/truyenhentai18/src/eu/kanade/tachiyomi/extension/vi/truyenhentai18/TruyenHentai18UrlActivity.kt
@@ -0,0 +1,35 @@
+package eu.kanade.tachiyomi.extension.vi.truyenhentai18
+
+import android.app.Activity
+import android.content.ActivityNotFoundException
+import android.content.Intent
+import android.os.Bundle
+import android.util.Log
+import kotlin.system.exitProcess
+
+class TruyenHentai18UrlActivity : Activity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        val pathSegments = intent?.data?.pathSegments
+
+        if (pathSegments != null && pathSegments.size > 0) {
+            val intent = Intent().apply {
+                action = "eu.kanade.tachiyomi.SEARCH"
+                putExtra("query", "${TruyenHentai18.PREFIX_SLUG_SEARCH}${pathSegments[0]}")
+                putExtra("filter", packageName)
+            }
+
+            try {
+                startActivity(intent)
+            } catch (e: ActivityNotFoundException) {
+                Log.e("TruyenHentaiUrlActivity", "Could not start activity", e)
+            }
+        } else {
+            Log.e("TruyenHentaiUrlActivity", "Could not parse URI from intent $intent")
+        }
+
+        finish()
+        exitProcess(0)
+    }
+}