diff --git a/docs/configuration.rst b/docs/configuration.rst
index eb4cfd91..329c67c0 100644
--- a/docs/configuration.rst
+++ b/docs/configuration.rst
@@ -2605,6 +2605,32 @@ Description
the first in the list gets chosen (usually `mp3`).
+extractor.koharu.cbz
+--------------------
+Type
+ ``bool``
+Default
+ ``true``
+Description
+ Download each gallery as a single ``.cbz`` file.
+
+ Disabling this option causes a gallery
+ to be downloaded as individual image files.
+
+
+extractor.koharu.format
+-----------------------
+Type
+ ``string``
+Default
+ ``"original"``
+Description
+ Name of the image format to download.
+
+ | Available formats are
+ | ``"780"``, ``"980"``, ``"1280"``, ``"1600"``, ``"0"``/``"original"``
+
+
extractor.lolisafe.domain
-------------------------
Type
diff --git a/docs/supportedsites.md b/docs/supportedsites.md
index 36226654..a18beca9 100644
--- a/docs/supportedsites.md
+++ b/docs/supportedsites.md
@@ -475,6 +475,12 @@ Consider all listed sites to potentially be NSFW.
| Soundtracks |
|
+
+ | Koharu |
+ https://koharu.to/ |
+ Galleries, Search Results |
+ |
+
| Komikcast |
https://komikcast.lol/ |
diff --git a/gallery_dl/extractor/__init__.py b/gallery_dl/extractor/__init__.py
index beb6fb47..0a5d3bc2 100644
--- a/gallery_dl/extractor/__init__.py
+++ b/gallery_dl/extractor/__init__.py
@@ -85,6 +85,7 @@ modules = [
"keenspot",
"kemonoparty",
"khinsider",
+ "koharu",
"komikcast",
"lensdump",
"lexica",
diff --git a/gallery_dl/extractor/koharu.py b/gallery_dl/extractor/koharu.py
new file mode 100644
index 00000000..b209830b
--- /dev/null
+++ b/gallery_dl/extractor/koharu.py
@@ -0,0 +1,146 @@
+# -*- coding: utf-8 -*-
+
+# Copyright 2024 Mike Fährmann
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+
+"""Extractors for https://koharu.to/"""
+
+from .common import GalleryExtractor, Extractor, Message
+from .. import text, exception
+
+BASE_PATTERN = r"(?i)(?:https?://)?(?:koharu|anchira)\.to"
+
+
+class KoharuGalleryExtractor(GalleryExtractor):
+ """Extractor for koharu galleries"""
+ category = "koharu"
+ root = "https://koharu.to"
+ root_api = "https://api.koharu.to"
+ filename_fmt = "{num:>03}.{extension}"
+ directory_fmt = ("{category}", "{id} {title}")
+ archive_fmt = "{id}_{num}"
+ pattern = BASE_PATTERN + r"/(?:g|reader)/(\d+)/(\w+)"
+ example = "https://koharu.to/g/12345/67890abcde/"
+
+ def __init__(self, match):
+ GalleryExtractor.__init__(self, match)
+ self.gallery_url = None
+
+ def _init(self):
+ self.headers = {
+ "Accept" : "*/*",
+ "Referer": self.root + "/",
+ "Origin" : self.root,
+ }
+
+ self.fmt = self.config("format")
+ self.cbz = self.config("cbz", True)
+
+ if self.cbz:
+ self.filename_fmt = "{id} {title}.{extension}"
+ self.directory_fmt = ("{category}",)
+
+ def metadata(self, _):
+ url = "{}/books/detail/{}/{}".format(
+ self.root_api, self.groups[0], self.groups[1])
+ self.data = data = self.request(url, headers=self.headers).json()
+ data.pop("rels", None)
+ data.pop("thumbnails", None)
+ return data
+
+ def images(self, _):
+ data = self.data
+ fmt = self._select_format(data["data"])
+
+ url = "{}/books/data/{}/{}/{}/{}".format(
+ self.root_api,
+ data["id"], data["public_key"],
+ fmt["id"], fmt["public_key"],
+ )
+ params = {
+ "v": data["updated_at"],
+ "w": fmt["w"],
+ }
+
+ if self.cbz:
+ params["action"] = "dl"
+ base = self.request(
+ url, method="POST", params=params, headers=self.headers,
+ ).json()["base"]
+ url = "{}?v={}&w={}".format(base, data["updated_at"], fmt["w"])
+ info = text.nameext_from_url(base)
+ if not info["extension"]:
+ info["extension"] = "cbz"
+ return ((url, info),)
+
+ data = self.request(url, params=params, headers=self.headers).json()
+ base = data["base"]
+
+ results = []
+ for entry in data["entries"]:
+ dimensions = entry["dimensions"]
+ info = {"w": dimensions[0], "h": dimensions[1]}
+ results.append((base + entry["path"], info))
+ return results
+
+ def _select_format(self, formats):
+ if not self.fmt or self.fmt == "original":
+ fmtid = "0"
+ else:
+ fmtid = str(self.fmt)
+
+ try:
+ fmt = formats[fmtid]
+ except KeyError:
+ raise exception.NotFoundError("format")
+
+ fmt["w"] = fmtid
+ return fmt
+
+
+class KoharuSearchExtractor(Extractor):
+ """Extractor for koharu search results"""
+ category = "koharu"
+ subcategory = "search"
+ root = "https://koharu.to"
+ root_api = "https://api.koharu.to"
+ request_interval = (1.0, 2.0)
+ pattern = BASE_PATTERN + r"/\?([^#]*)"
+ example = "https://koharu.to/?s=QUERY"
+
+ def _init(self):
+ self.headers = {
+ "Accept" : "*/*",
+ "Referer": self.root + "/",
+ "Origin" : self.root,
+ }
+
+ def items(self):
+ url_api = self.root_api + "/books"
+ params = text.parse_query(self.groups[0])
+ params["page"] = text.parse_int(params.get("page"), 1)
+
+ while True:
+ data = self.request(
+ url_api, params=params, headers=self.headers).json()
+
+ try:
+ entries = data["entries"]
+ except KeyError:
+ return
+
+ for entry in entries:
+ url = "{}/g/{}/{}/".format(
+ self.root, entry["id"], entry["public_key"])
+ entry["_extractor"] = KoharuGalleryExtractor
+ yield Message.Queue, url, entry
+
+ try:
+ if data["limit"] * data["page"] >= data["total"]:
+ return
+ except Exception:
+ pass
+ params["page"] += 1
diff --git a/test/results/koharu.py b/test/results/koharu.py
new file mode 100644
index 00000000..198a64bc
--- /dev/null
+++ b/test/results/koharu.py
@@ -0,0 +1,60 @@
+# -*- coding: utf-8 -*-
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+
+from gallery_dl.extractor import koharu
+
+
+__tests__ = (
+{
+ "#url" : "https://koharu.to/g/14216/6c67076fdd45",
+ "#category": ("", "koharu", "gallery"),
+ "#class" : koharu.KoharuGalleryExtractor,
+ "#pattern" : r"https://kisakisexo.xyz/download/59896/a4fbd1828229/f47639c6abaf1903dd69c36a3d961da84741a1831aa07a2906ce9c74156a5d75\?v=1721626410802&w=0",
+ "#count" : 1,
+
+ "count" : 1,
+ "created_at": 1721626410802,
+ "extension" : "cbz",
+ "filename" : "f47639c6abaf1903dd69c36a3d961da84741a1831aa07a2906ce9c74156a5d75",
+ "id" : 14216,
+ "num" : 1,
+ "public_key": "6c67076fdd45",
+ "tags" : list,
+ "title" : "[Ouchi Kaeru] Summer Business (Comic Kairakuten 2024-08)",
+ "updated_at": 1721626410802,
+},
+
+{
+ "#url" : "https://koharu.to/g/14216/6c67076fdd45",
+ "#category": ("", "koharu", "gallery"),
+ "#class" : koharu.KoharuGalleryExtractor,
+ "#options" : {"cbz": False, "format": "780"},
+ "#pattern" : r"https://koharusexo.xyz/data/59905/2df9110af7f1/a7cbeca3fb9c83aa87582a8a74cc8f8ce1b9e9b434dc1af293628871642f42df/[0-9a-f]+/.+",
+ "#count" : 22,
+
+},
+
+{
+ "#url" : "https://anchira.to/g/14216/6c67076fdd45",
+ "#category": ("", "koharu", "gallery"),
+ "#class" : koharu.KoharuGalleryExtractor,
+},
+
+{
+ "#url" : "https://koharu.to/reader/14216/6c67076fdd45",
+ "#category": ("", "koharu", "gallery"),
+ "#class" : koharu.KoharuGalleryExtractor,
+},
+
+{
+ "#url" : "https://koharu.to/?s=tag:^beach$",
+ "#category": ("", "koharu", "search"),
+ "#class" : koharu.KoharuSearchExtractor,
+ "#pattern" : koharu.KoharuGalleryExtractor.pattern,
+ "#count" : ">= 50",
+},
+
+)