URLs

• https://www.pixiv.net/users/465458
• https://www.pixiv.net/stacc/hisahiko
• https://twitter.com/hisahikoT
• https://twitter.com/intent/user?user_id=911864258
• https://purindou.fanbox.cc
• http://www.doujinshi.org/browse/author/20243/
• http://doujinshi.mugimugi.org/browse/author/20243/Hisahiko/
• http://www5c.biglobe.ne.jp/valalpa/
• https://www5c.biglobe.ne.jp/~valalpa/