URLs

• https://www.pixiv.net/users/138842
• https://www.pixiv.net/stacc/hokuyuu
• https://twitter.com/hokuyuu
• https://twitter.com/intent/user?user_id=98408645
• https://sketch.pixiv.net/@hokuyuu
• http://hokuyuu.harisen.jp
• http://hokuyuu.harisen.jp/illust/