diff --git a/src/zh/terrahistoricus/AndroidManifest.xml b/src/zh/terrahistoricus/AndroidManifest.xml
new file mode 100644
index 000000000..30deb7f79
--- /dev/null
+++ b/src/zh/terrahistoricus/AndroidManifest.xml
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest package="eu.kanade.tachiyomi.extension" />
diff --git a/src/zh/terrahistoricus/build.gradle b/src/zh/terrahistoricus/build.gradle
new file mode 100644
index 000000000..13b0dd776
--- /dev/null
+++ b/src/zh/terrahistoricus/build.gradle
@@ -0,0 +1,12 @@
+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlinx-serialization'
+
+ext {
+    extName = 'Terra Historicus'
+    pkgNameSuffix = 'zh.terrahistoricus'
+    extClass = '.TerraHistoricus'
+    extVersionCode = 1
+}
+
+apply from: "$rootDir/common.gradle"
diff --git a/src/zh/terrahistoricus/res/mipmap-hdpi/ic_launcher.png b/src/zh/terrahistoricus/res/mipmap-hdpi/ic_launcher.png
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diff --git a/src/zh/terrahistoricus/res/mipmap-mdpi/ic_launcher.png b/src/zh/terrahistoricus/res/mipmap-mdpi/ic_launcher.png
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index 000000000..e01962dd3
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diff --git a/src/zh/terrahistoricus/res/mipmap-xhdpi/ic_launcher.png b/src/zh/terrahistoricus/res/mipmap-xhdpi/ic_launcher.png
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index 000000000..7cbda0126
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diff --git a/src/zh/terrahistoricus/res/mipmap-xxhdpi/ic_launcher.png b/src/zh/terrahistoricus/res/mipmap-xxhdpi/ic_launcher.png
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index 000000000..0a7408218
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diff --git a/src/zh/terrahistoricus/res/mipmap-xxxhdpi/ic_launcher.png b/src/zh/terrahistoricus/res/mipmap-xxxhdpi/ic_launcher.png
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diff --git a/src/zh/terrahistoricus/res/web_hi_res_512.png b/src/zh/terrahistoricus/res/web_hi_res_512.png
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diff --git a/src/zh/terrahistoricus/src/eu/kanade/tachiyomi/extension/zh/terrahistoricus/TerraHistoricus.kt b/src/zh/terrahistoricus/src/eu/kanade/tachiyomi/extension/zh/terrahistoricus/TerraHistoricus.kt
new file mode 100644
index 000000000..bf2f8aebe
--- /dev/null
+++ b/src/zh/terrahistoricus/src/eu/kanade/tachiyomi/extension/zh/terrahistoricus/TerraHistoricus.kt
@@ -0,0 +1,63 @@
+package eu.kanade.tachiyomi.extension.zh.terrahistoricus
+
+import eu.kanade.tachiyomi.network.GET
+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.online.HttpSource
+import kotlinx.serialization.decodeFromString
+import kotlinx.serialization.json.Json
+import okhttp3.Response
+import rx.Observable
+import uy.kohesive.injekt.injectLazy
+
+class TerraHistoricus : HttpSource() {
+    override val name = "泰拉记事社"
+    override val lang = "zh"
+    override val baseUrl = "https://terra-historicus.hypergryph.com"
+    override val supportsLatest = true
+
+    private val json: Json by injectLazy()
+
+    override fun popularMangaRequest(page: Int) = GET("$baseUrl/api/comic")
+
+    override fun popularMangaParse(response: Response) = MangasPage(
+        json.decodeFromString<THResult<List<THComic>>>(response.body!!.string()).data.map(THComic::toSManga),
+        false
+    )
+
+    override fun latestUpdatesRequest(page: Int) = GET("$baseUrl/api/recentUpdate")
+
+    override fun latestUpdatesParse(response: Response) = MangasPage(
+        json.decodeFromString<THResult<List<THRecentUpdate>>>(response.body!!.string()).data.map(THRecentUpdate::toSManga),
+        false
+    )
+
+    override fun searchMangaRequest(page: Int, query: String, filters: FilterList) =
+        throw UnsupportedOperationException("没有搜索功能")
+
+    override fun searchMangaParse(response: Response) = throw UnsupportedOperationException("没有搜索功能")
+
+    override fun mangaDetailsParse(response: Response) =
+        json.decodeFromString<THResult<THComic>>(response.body!!.string()).data.toSManga()
+
+    override fun chapterListParse(response: Response) =
+        json.decodeFromString<THResult<THComic>>(response.body!!.string()).data.toSChapterList().orEmpty()
+
+    override fun fetchPageList(chapter: SChapter): Observable<List<Page>> {
+        return client.newCall(pageListRequest(chapter))
+            .asObservableSuccess()
+            .map { response ->
+                (0 until json.decodeFromString<THResult<THEpisode>>(response.body!!.string()).data.pageInfos!!.size).map {
+                    Page(it, "$baseUrl${chapter.url}/page?pageNum=${it + 1}")
+                }
+            }
+    }
+
+    override fun pageListParse(response: Response) = throw UnsupportedOperationException("Not used.")
+
+    override fun imageUrlParse(response: Response) =
+        json.decodeFromString<THResult<THPage>>(response.body!!.string()).data.url
+}
diff --git a/src/zh/terrahistoricus/src/eu/kanade/tachiyomi/extension/zh/terrahistoricus/TerraHistoricusDto.kt b/src/zh/terrahistoricus/src/eu/kanade/tachiyomi/extension/zh/terrahistoricus/TerraHistoricusDto.kt
new file mode 100644
index 000000000..85be93a25
--- /dev/null
+++ b/src/zh/terrahistoricus/src/eu/kanade/tachiyomi/extension/zh/terrahistoricus/TerraHistoricusDto.kt
@@ -0,0 +1,93 @@
+package eu.kanade.tachiyomi.extension.zh.terrahistoricus
+
+import eu.kanade.tachiyomi.source.model.SChapter
+import eu.kanade.tachiyomi.source.model.SManga
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class THResult<T>(val code: Int, val msg: String, val data: T)
+
+@Serializable
+data class THComic(
+    val cid: String,
+//  val type: Int,
+    val cover: String,
+    val title: String,
+    val subtitle: String,
+    val authors: List<String>,
+    val keywords: List<String>? = null,
+    val introduction: String? = null,
+//  val direction: String? = null,
+    val episodes: List<THEpisode>? = null,
+    val updateTime: Long? = null, // timestamp in seconds
+) {
+    private fun getDescription(): String? {
+        var result = ""
+        if (subtitle.isNotEmpty()) result += "「$subtitle」"
+        if (introduction != null) result += introduction
+        return result.ifEmpty { null }
+    }
+
+    fun toSManga() = SManga.create().apply {
+        url = "/api/comic/$cid"
+        title = this@THComic.title
+        author = authors.joinToString("、")
+        thumbnail_url = cover
+        description = getDescription()
+        genre = keywords?.joinToString("，")?.replace("，", ", ")
+    }
+
+    fun toSChapterList() = episodes?.map { episode ->
+        SChapter.create().apply {
+            url = "/api/comic/$cid/episode/${episode.cid!!}"
+            try {
+                chapter_number = episode.shortTitle?.toFloat() ?: chapter_number
+                name = episode.title
+            } catch (e: NumberFormatException) {
+                name = "${episode.shortTitle} ${episode.title}"
+            }
+            date_upload = (updateTime ?: 0L) * 1000
+        }
+    }
+}
+
+@Serializable
+data class THRecentUpdate(
+    val coverUrl: String,
+    val comicCid: String,
+    val title: String,
+//  val subtitle: String,
+//  val episodeCid: String,
+//  val episodeType: Int,
+//  val episodeShortTitle: String,
+//  val updateTime: Long
+) {
+    fun toSManga() = SManga.create().apply {
+        url = "/api/comic/$comicCid"
+        title = this@THRecentUpdate.title
+        thumbnail_url = coverUrl
+    }
+}
+
+@Serializable
+data class THEpisode(
+    val cid: String? = null,
+//  val type: Int,
+    val shortTitle: String?,
+    val title: String, // 作品信息中
+//  val likes: Int? = null,
+    val pageInfos: List<THPageInfo>? = null, // 章节详情中
+)
+
+@Serializable
+data class THPageInfo(
+//  val width: Int,
+//  val height: Int,
+    val doublePage: Boolean,
+)
+
+@Serializable
+data class THPage(
+//  val pageNum: Int,
+    val url: String,
+)