diff --git a/src/all/holonometria/AndroidManifest.xml b/src/all/holonometria/AndroidManifest.xml
new file mode 100644
index 000000000..cc947c567
--- /dev/null
+++ b/src/all/holonometria/AndroidManifest.xml
@@ -0,0 +1 @@
+<manifest />
diff --git a/src/all/holonometria/build.gradle b/src/all/holonometria/build.gradle
new file mode 100644
index 000000000..fe9ec48fa
--- /dev/null
+++ b/src/all/holonometria/build.gradle
@@ -0,0 +1,11 @@
+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+
+ext {
+    extName = 'HOLONOMETRIA'
+    pkgNameSuffix = 'all.holonometria'
+    extClass = '.HolonometriaFactory'
+    extVersionCode = 1
+}
+
+apply from: "$rootDir/common.gradle"
diff --git a/src/all/holonometria/res/mipmap-hdpi/ic_launcher.png b/src/all/holonometria/res/mipmap-hdpi/ic_launcher.png
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diff --git a/src/all/holonometria/res/mipmap-mdpi/ic_launcher.png b/src/all/holonometria/res/mipmap-mdpi/ic_launcher.png
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index 000000000..caaa59fad
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diff --git a/src/all/holonometria/res/mipmap-xhdpi/ic_launcher.png b/src/all/holonometria/res/mipmap-xhdpi/ic_launcher.png
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diff --git a/src/all/holonometria/res/mipmap-xxhdpi/ic_launcher.png b/src/all/holonometria/res/mipmap-xxhdpi/ic_launcher.png
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diff --git a/src/all/holonometria/res/mipmap-xxxhdpi/ic_launcher.png b/src/all/holonometria/res/mipmap-xxxhdpi/ic_launcher.png
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diff --git a/src/all/holonometria/res/web_hi_res_512.png b/src/all/holonometria/res/web_hi_res_512.png
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diff --git a/src/all/holonometria/src/eu/kanade/tachiyomi/extension/all/holonometria/Holonometria.kt b/src/all/holonometria/src/eu/kanade/tachiyomi/extension/all/holonometria/Holonometria.kt
new file mode 100644
index 000000000..4c9058328
--- /dev/null
+++ b/src/all/holonometria/src/eu/kanade/tachiyomi/extension/all/holonometria/Holonometria.kt
@@ -0,0 +1,150 @@
+package eu.kanade.tachiyomi.extension.all.holonometria
+
+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 eu.kanade.tachiyomi.util.asJsoup
+import okhttp3.Response
+import org.jsoup.nodes.Document
+import org.jsoup.nodes.Element
+import java.text.SimpleDateFormat
+import java.util.Locale
+import java.util.concurrent.TimeUnit
+
+class Holonometria(
+    override val lang: String,
+    private val langPath: String = "$lang/",
+) : ParsedHttpSource() {
+
+    override val name = "HOLONOMETRIA"
+
+    override val baseUrl = "https://alt.hololive.tv"
+
+    override val supportsLatest = false
+
+    override val client = network.client.newBuilder()
+        .readTimeout(60, TimeUnit.SECONDS)
+        .build()
+
+    override fun headersBuilder() = super.headersBuilder()
+        .add("Referer", "$baseUrl/")
+
+    override fun popularMangaRequest(page: Int) =
+        GET("$baseUrl/holonometria/$langPath", headers)
+
+    override fun popularMangaSelector() = "#Story article:has(a[href*=/manga/])"
+    override fun popularMangaNextPageSelector() = null
+
+    override fun popularMangaFromElement(element: Element) = SManga.create().apply {
+        setUrlWithoutDomain(element.selectFirst("a")!!.attr("href"))
+        title = element.select(".ttl").text()
+        thumbnail_url = element.selectFirst("img")?.attr("abs:src")
+    }
+
+    override fun searchMangaRequest(page: Int, query: String, filters: FilterList) =
+        GET("$baseUrl/holonometria/$langPath#${query.trim()}", headers)
+
+    override fun searchMangaParse(response: Response): MangasPage {
+        val document = response.asJsoup()
+        val search = response.request.url.fragment!!
+
+        val entries = document.select(searchMangaSelector())
+            .map(::searchMangaFromElement)
+            .filter { it.title.contains(search, true) }
+
+        return MangasPage(entries, false)
+    }
+
+    override fun searchMangaSelector() = popularMangaSelector()
+    override fun searchMangaNextPageSelector() = popularMangaNextPageSelector()
+    override fun searchMangaFromElement(element: Element) = popularMangaFromElement(element)
+
+    override fun mangaDetailsParse(document: Document) = SManga.create().apply {
+        title = document.select(".md-ttl__pages").text()
+        thumbnail_url = document.select(".mangainfo img").attr("abs:src")
+        description = document.select(".mangainfo aside").text()
+        val info = document.select(".mangainfo footer").html().split("<br>")
+        author = info.firstOrNull { desc -> manga.any { desc.contains(it, true) } }
+            ?.substringAfter("：")
+            ?.substringAfter(":")
+            ?.trim()
+            ?.replace("&amp;", "&")
+        artist = info.firstOrNull { desc -> script.any { desc.contains(it, true) } }
+            ?.substringAfter("：")
+            ?.substringAfter(":")
+            ?.trim()
+            ?.replace("&amp;", "&")
+    }
+
+    override fun chapterListRequest(manga: SManga) =
+        paginatedChapterListRequest(manga.url, 1)
+
+    private fun paginatedChapterListRequest(mangaUrl: String, page: Int) =
+        GET("$baseUrl$mangaUrl".removeSuffix("/") + if (page == 1) "/" else "/page/$page/", headers)
+
+    override fun chapterListParse(response: Response): List<SChapter> {
+        val document = response.asJsoup()
+        val mangaUrl = response.request.url.toString()
+            .substringAfter(baseUrl)
+            .substringBefore("page/")
+
+        val chapters = document.select(chapterListSelector())
+            .map(::chapterFromElement)
+            .toMutableList()
+
+        val lastPage = document.select(".pagenation-list a").last()
+            ?.text()?.toIntOrNull() ?: return chapters
+
+        for (page in 2..lastPage) {
+            val request = paginatedChapterListRequest(mangaUrl, page)
+            val newDocument = client.newCall(request).execute().asJsoup()
+
+            val moreChapters = newDocument.select(chapterListSelector())
+                .map(::chapterFromElement)
+
+            chapters.addAll(moreChapters)
+        }
+
+        return chapters
+    }
+
+    override fun chapterListSelector() = "#Archive article"
+
+    override fun chapterFromElement(element: Element) = SChapter.create().apply {
+        setUrlWithoutDomain(element.selectFirst("a")!!.attr("href"))
+        name = element.select(".ttl").text()
+        date_upload = element.selectFirst(".data--date")?.text().parseDate()
+        scanlator = element.selectFirst(".data--category")?.text()
+    }
+
+    private fun String?.parseDate(): Long {
+        return runCatching {
+            dateFormat.parse(this!!)!!.time
+        }.getOrDefault(0L)
+    }
+
+    override fun pageListParse(document: Document): List<Page> {
+        return document.select("#js-mangaviewer img").mapIndexed { idx, img ->
+            Page(idx, "", img.attr("abs:src"))
+        }
+    }
+
+    companion object {
+        private val manga = listOf("manga", "gambar", "漫画")
+        private val script = listOf("script", "naskah", "脚本")
+
+        private val dateFormat by lazy {
+            SimpleDateFormat("yy.MM.dd", Locale.ENGLISH)
+        }
+    }
+
+    override fun latestUpdatesRequest(page: Int) = throw UnsupportedOperationException("Not used")
+    override fun latestUpdatesFromElement(element: Element) = throw UnsupportedOperationException("Not used")
+    override fun latestUpdatesNextPageSelector() = throw UnsupportedOperationException("Not used")
+    override fun latestUpdatesSelector() = throw UnsupportedOperationException("Not used")
+    override fun imageUrlParse(document: Document) = throw UnsupportedOperationException("Not used")
+}
diff --git a/src/all/holonometria/src/eu/kanade/tachiyomi/extension/all/holonometria/HolonometriaFactory.kt b/src/all/holonometria/src/eu/kanade/tachiyomi/extension/all/holonometria/HolonometriaFactory.kt
new file mode 100644
index 000000000..08d64ab98
--- /dev/null
+++ b/src/all/holonometria/src/eu/kanade/tachiyomi/extension/all/holonometria/HolonometriaFactory.kt
@@ -0,0 +1,11 @@
+package eu.kanade.tachiyomi.extension.all.holonometria
+
+import eu.kanade.tachiyomi.source.SourceFactory
+
+class HolonometriaFactory : SourceFactory {
+    override fun createSources() = listOf(
+        Holonometria("ja", ""),
+        Holonometria("en"),
+        Holonometria("id"),
+    )
+}