diff --git a/gallery_dl/extractor/hentaifox.py b/gallery_dl/extractor/hentaifox.py
index c7dc8f87..417c095b 100644
--- a/gallery_dl/extractor/hentaifox.py
+++ b/gallery_dl/extractor/hentaifox.py
@@ -12,16 +12,20 @@ from .common import GalleryExtractor, Extractor, Message
 from .. import text
 
 
-class HentaifoxGalleryExtractor(GalleryExtractor):
-    """Extractor for image galleries on hentaifox.com"""
+class HentaifoxBase():
+    """Base class for hentaifox extractors"""
     category = "hentaifox"
+    root = "https://hentaifox.com"
+
+
+class HentaifoxGalleryExtractor(HentaifoxBase, GalleryExtractor):
+    """Extractor for image galleries on hentaifox.com"""
     pattern = r"(?:https?://)?(?:www\.)?hentaifox\.com(/gallery/(\d+))"
     test = ("https://hentaifox.com/gallery/56622/", {
         "pattern": r"https://i\d*\.hentaifox\.com/\d+/\d+/\d+\.jpg",
         "count": 24,
-        "keyword": "d0df47e073e32a7752236ab151949c3820f9d81e",
+        "keyword": "38f8517605feb6854d48833297da6b05c6541b69",
     })
-    root = "https://hentaifox.com"
 
     def __init__(self, match):
         GalleryExtractor.__init__(self, match)
@@ -30,7 +34,7 @@ class HentaifoxGalleryExtractor(GalleryExtractor):
     def metadata(self, page):
         title, pos = text.extract(page, "<h1>", "</h1>")
         data = text.extract_all(page, (
-            ("parodies"  , ">Parodies:"  , "</a></span>"),
+            ("parody"    , ">Parodies:"  , "</a></span>"),
             ("characters", ">Characters:", "</a></span>"),
             ("tags"      , ">Tags:"      , "</a></span>"),
             ("artist"    , ">Artists:"   , "</a></span>"),
@@ -39,9 +43,10 @@ class HentaifoxGalleryExtractor(GalleryExtractor):
         ), pos)[0]
 
         for key, value in data.items():
-            data[key] = text.remove_html(value).replace(" , ", ", ")
+            data[key] = text.split_html(value)[::2]
         data["gallery_id"] = text.parse_int(self.gallery_id)
         data["title"] = text.unescape(title)
+        data["type"] = data["type"][0] if data["type"] else ""
         data["language"] = "English"
         data["lang"] = "en"
         return data
@@ -53,9 +58,8 @@ class HentaifoxGalleryExtractor(GalleryExtractor):
         ]
 
 
-class HentaifoxSearchExtractor(Extractor):
+class HentaifoxSearchExtractor(HentaifoxBase, Extractor):
     """Extractor for search results and listings on hentaifox.com"""
-    category = "hentaifox"
     subcategory = "search"
     pattern = (r"(?:https?://)?(?:www\.)?hentaifox\.com"
                r"(/(?:parody|tag|artist|character|search)/[^/?%#]+)")
@@ -76,7 +80,6 @@ class HentaifoxSearchExtractor(Extractor):
             },
         }),
     )
-    root = "https://hentaifox.com"
 
     def __init__(self, match):
         Extractor.__init__(self, match)
diff --git a/gallery_dl/extractor/hitomi.py b/gallery_dl/extractor/hitomi.py
index 4de7c938..5a518beb 100644
--- a/gallery_dl/extractor/hitomi.py
+++ b/gallery_dl/extractor/hitomi.py
@@ -20,7 +20,7 @@ class HitomiGalleryExtractor(GalleryExtractor):
     test = (
         ("https://hitomi.la/galleries/867789.html", {
             "url": "cb759868d090fe0e2655c3e29ebf146054322b6d",
-            "keyword": "52951edb50163180eb669a78aef0bab0522d32b7",
+            "keyword": "07536afc5696cb4983a4831ab4c70c1d155f875c",
         }),
         ("https://hitomi.la/galleries/1036181.html", {
             # "aa" subdomain for gallery-id ending in 1 (#142)
@@ -30,8 +30,8 @@ class HitomiGalleryExtractor(GalleryExtractor):
     )
 
     def __init__(self, match):
-        self.gid = text.parse_int(match.group(1))
-        url = "https://hitomi.la/galleries/{}.html".format(self.gid)
+        self.gallery_id = text.parse_int(match.group(1))
+        url = "https://hitomi.la/galleries/{}.html".format(self.gallery_id)
         GalleryExtractor.__init__(self, match, url)
 
     def metadata(self, page):
@@ -49,23 +49,22 @@ class HitomiGalleryExtractor(GalleryExtractor):
         lang = None if lang == "N/A" else text.remove_html(lang)
 
         return {
-            "gallery_id": self.gid,
-            "title": text.unescape(" ".join(title.split())),
-            "artist": self._prepare(artist),
-            "group": self._prepare(group),
-            "type": text.remove_html(gtype).capitalize(),
-            "lang": util.language_to_code(lang),
-            "language": lang,
-            "date": date,
-            "series": self._prepare(series),
+            "gallery_id": self.gallery_id,
+            "title"     : text.unescape(title.strip()),
+            "artist"    : self._prepare(artist),
+            "group"     : self._prepare(group),
+            "parody"    : self._prepare(series),
             "characters": self._prepare(chars),
-            "tags": self._prepare(tags),
+            "tags"      : self._prepare(tags),
+            "type"      : text.remove_html(gtype).capitalize(),
+            "lang"      : util.language_to_code(lang),
+            "language"  : lang,
+            "date"      : date,
         }
 
     def images(self, page):
         # see https://ltn.hitomi.la/common.js
-        frontends = 2
-        offset = self.gid % frontends if self.gid % 10 != 1 else 0
+        offset = self.gallery_id % 2 if self.gallery_id % 10 != 1 else 0
         subdomain = chr(97 + offset) + "a"
         base = "https://" + subdomain + ".hitomi.la/galleries/"
 
@@ -78,10 +77,7 @@ class HitomiGalleryExtractor(GalleryExtractor):
 
     @staticmethod
     def _prepare(value):
-        if not value or "<ul " not in value:
-            return ""
-        value = ", ".join(text.extract_iter(
-            value, '.html">', '<'))
-        return string.capwords(
-            text.unescape(value)
-        )
+        return [
+            text.unescape(string.capwords(v))
+            for v in text.extract_iter(value or "", '.html">', '<')
+        ]
diff --git a/gallery_dl/extractor/nhentai.py b/gallery_dl/extractor/nhentai.py
index bd23d9fd..746144a9 100644
--- a/gallery_dl/extractor/nhentai.py
+++ b/gallery_dl/extractor/nhentai.py
@@ -32,6 +32,7 @@ class NhentaiGalleryExtractor(NhentaiBase, GalleryExtractor):
             "title_ja"  : str,
             "gallery_id": 147850,
             "media_id"  : 867789,
+            "count"     : 16,
             "date"      : 1446050915,
             "scanlator" : "",
             "artist"    : ["morris"],
@@ -40,8 +41,8 @@ class NhentaiGalleryExtractor(NhentaiBase, GalleryExtractor):
             "characters": list,
             "tags"      : list,
             "type"      : "manga",
-            "language"  : ["translated", "english"],
             "lang"      : "en",
+            "language"  : "English",
             "width"     : int,
             "height"    : int,
         },
@@ -63,12 +64,11 @@ class NhentaiGalleryExtractor(NhentaiBase, GalleryExtractor):
         for tag in data["tags"]:
             info[tag["type"]].append(tag["name"])
 
+        language = ""
         for language in info["language"]:
             if language != "translated":
-                lang = util.language_to_code(language)
+                language = language.capitalize()
                 break
-        else:
-            lang = ""
 
         return {
             "title"     : title_en or title_ja,
@@ -84,8 +84,8 @@ class NhentaiGalleryExtractor(NhentaiBase, GalleryExtractor):
             "characters": info["character"],
             "tags"      : info["tag"],
             "type"      : info["category"][0] if info["category"] else "",
-            "language"  : info["language"],
-            "lang"      : lang,
+            "lang"      : util.language_to_code(language),
+            "language"  : language,
         }
 
     def images(self, _):
diff --git a/gallery_dl/extractor/pururin.py b/gallery_dl/extractor/pururin.py
index 35ca86aa..151f5f3a 100644
--- a/gallery_dl/extractor/pururin.py
+++ b/gallery_dl/extractor/pururin.py
@@ -20,24 +20,24 @@ class PururinGalleryExtractor(GalleryExtractor):
     test = ("https://pururin.io/gallery/38661/iowant-2", {
         "pattern": r"https://cdn.pururin.io/assets/images/data/38661/\d+\.jpg",
         "keyword": {
-            "artist": "Shoda Norihiro",
+            "title"     : "Iowant 2!!",
+            "title_en"  : "Iowant 2!!",
+            "title_jp"  : "",
+            "gallery_id": 38661,
+            "count"     : 19,
+            "artist"    : ["Shoda Norihiro"],
+            "group"     : ["Obsidian Order"],
+            "parody"    : ["Kantai Collection"],
             "characters": ["Iowa", "Teitoku"],
+            "tags"      : list,
+            "type"      : "Doujinshi",
             "collection": "",
             "convention": "C92",
-            "count": 19,
-            "extension": "jpg",
-            "gallery_id": 38661,
-            "group": "Obsidian Order",
-            "lang": "en",
-            "language": "English",
-            "parody": "Kantai Collection",
-            "rating": float,
-            "scanlator": "",
-            "tags": list,
-            "title": "Iowant 2!!",
-            "title_jp": str,
-            "type": "Doujinshi",
-            "uploader": "demo"
+            "rating"    : float,
+            "uploader"  : "demo",
+            "scanlator" : "",
+            "lang"      : "en",
+            "language"  : "English",
         }
     })
     root = "https://pururin.io"
@@ -74,18 +74,19 @@ class PururinGalleryExtractor(GalleryExtractor):
         self._ext = info["image_extension"]
         self._cnt = info["total_pages"]
 
-        for key in ("tags", "characters"):
+        for key in ("artist", "group", "parody", "tags", "characters"):
             data[key] = [
                 text.unescape(item)
                 for item in text.extract_iter(data[key], 'title="', '"')
             ]
-        for key in ("artist", "group", "parody", "type", "collection",
-                    "language", "scanlator", "convention"):
+        for key in ("type", "collection", "language", "scanlator",
+                    "convention"):
             data[key] = text.unescape(text.extract(
                 data[key], 'title="', '"')[0] or "")
 
         data["gallery_id"] = text.parse_int(self.gallery_id)
-        data["title"] = info["title"]
+        data["title"] = info["title"] or info.get("j_title") or ""
+        data["title_en"] = info["title"]
         data["title_jp"] = info.get("j_title") or ""
         data["uploader"] = text.remove_html(data["uploader"])
         data["rating"] = text.parse_float(data["rating"])
diff --git a/gallery_dl/extractor/simplyhentai.py b/gallery_dl/extractor/simplyhentai.py
index d9a8ebba..44dc6fe8 100644
--- a/gallery_dl/extractor/simplyhentai.py
+++ b/gallery_dl/extractor/simplyhentai.py
@@ -23,7 +23,7 @@ class SimplyhentaiGalleryExtractor(GalleryExtractor):
         (("https://original-work.simply-hentai.com"
           "/amazon-no-hiyaku-amazon-elixir"), {
             "url": "258289249990502c3138719cb89e995a60861e49",
-            "keyword": "468a0a3db4fc6ad7fcae0facefb9753831c0404d",
+            "keyword": "18ab9defca53dbb2aeb7965193e93e0ea125b76b",
         }),
         ("https://www.simply-hentai.com/notfound", {
             "exception": exception.GalleryDLException,
@@ -55,14 +55,14 @@ class SimplyhentaiGalleryExtractor(GalleryExtractor):
 
         return {
             "gallery_id": text.parse_int(gid),
-            "title": text.unescape(title),
-            "series": text.remove_html(series),
-            "characters": ", ".join(text.split_html(chars)),
-            "tags": text.split_html(tags),
-            "artist": ", ".join(text.split_html(artist)),
-            "lang": util.language_to_code(lang),
-            "language": lang,
-            "date": text.remove_html(date),
+            "title"     : text.unescape(title),
+            "artist"    : text.split_html(artist),
+            "parody"    : text.split_html(series),
+            "characters": text.split_html(chars),
+            "tags"      : text.split_html(tags),
+            "lang"      : util.language_to_code(lang),
+            "language"  : lang,
+            "date"      : text.remove_html(date),
         }
 
     def images(self, _):
diff --git a/gallery_dl/extractor/tsumino.py b/gallery_dl/extractor/tsumino.py
index c0d5a32b..ec80c78d 100644
--- a/gallery_dl/extractor/tsumino.py
+++ b/gallery_dl/extractor/tsumino.py
@@ -48,24 +48,24 @@ class TsuminoGalleryExtractor(TsuminoBase, GalleryExtractor):
         ("https://www.tsumino.com/Book/Info/40996", {
             "url": "84bf30a86623039fc87855680fada884dc8a1ddd",
             "keyword": {
-                "artist": "Itou Life",
-                "characters": "Carmilla, Gudako, Gudao, Lancelot, Nightingale",
-                "collection": "",
-                "count": 42,
-                "date": "2018 June 29",
+                "title"     : r"re:Shikoshiko Daisuki Nightingale \+ Kaijou",
+                "title_en"  : r"re:Shikoshiko Daisuki Nightingale \+ Kaijou",
+                "title_jp"  : "シコシコ大好きナイチンゲール + 会場限定おまけ本",
                 "gallery_id": 40996,
-                "group": "Itou Life",
-                "lang": "en",
-                "language": "English",
-                "page": int,
-                "parodies": "Fate/Grand Order",
-                "rating": float,
-                "tags": str,
-                "thumbnail": "http://www.tsumino.com/Image/Thumb/40996",
-                "title": r"re:Shikoshiko Daisuki Nightingale \+ Kaijou Gentei",
-                "title_jp": "シコシコ大好きナイチンゲール + 会場限定おまけ本",
-                "type": "Doujinshi",
-                "uploader": "sehki"
+                "date"      : "2018 June 29",
+                "count"     : 42,
+                "collection": "",
+                "artist"    : ["Itou Life"],
+                "group"     : ["Itou Life"],
+                "parody"    : ["Fate/Grand Order"],
+                "characters": list,
+                "tags"      : list,
+                "type"      : "Doujinshi",
+                "rating"    : float,
+                "uploader"  : "sehki",
+                "lang"      : "en",
+                "language"  : "English",
+                "thumbnail" : "http://www.tsumino.com/Image/Thumb/40996",
             },
         }),
         ("https://www.tsumino.com/Read/View/45834"),
@@ -81,6 +81,8 @@ class TsuminoGalleryExtractor(TsuminoBase, GalleryExtractor):
         title, pos = extr(page, '"og:title" content="', '"')
         thumb, pos = extr(page, '"og:image" content="', '"', pos)
         title_en, _, title_jp = text.unescape(title).partition("/")
+        title_en = title_en.strip()
+        title_jp = title_jp.strip()
 
         uploader  , pos = extr(page, 'id="Uploader">'  , '</div>', pos)
         date      , pos = extr(page, 'id="Uploaded">'  , '</div>', pos)
@@ -95,19 +97,20 @@ class TsuminoGalleryExtractor(TsuminoBase, GalleryExtractor):
 
         return {
             "gallery_id": text.parse_int(self.gallery_id),
-            "title": title_en.strip(),
-            "title_jp": title_jp.strip(),
+            "title": title_en or title_jp,
+            "title_en": title_en,
+            "title_jp": title_jp,
             "thumbnail": thumb,
             "uploader": text.remove_html(uploader),
             "date": date.strip(),
             "rating": text.parse_float(rating.partition(" ")[0]),
             "type": text.remove_html(gtype),
             "collection": text.remove_html(collection),
-            "group": text.remove_html(group),
-            "artist": ", ".join(text.split_html(artist)),
-            "parodies": ", ".join(text.split_html(parody)),
-            "characters": ", ".join(text.split_html(character)),
-            "tags": ", ".join(text.split_html(tags)),
+            "group": text.split_html(group),
+            "artist": text.split_html(artist),
+            "parody": text.split_html(parody),
+            "characters": text.split_html(character),
+            "tags": text.split_html(tags),
             "language": "English",
             "lang": "en",
         }