URLs

• https://www.pixiv.net/users/34647767
• https://www.pixiv.net/stacc/user_tvvj5273
• https://twitter.com/kotoyoshi_y
• https://twitter.com/intent/user?user_id=2835524408
• https://sketch.pixiv.net/@user_tvvj5273
• http://kotoyoshi.blog.fc2.com
• http://ja.wikipedia.org/wiki/琴義弓介
• http://www.coremagazine.co.jp/comic/comic/kotoyoshi_yumisuke/
• http://hwbb.gyao.ne.jp/hatahata-a5r/
• http://www.doujinshi.org/browse/author/577/
• http://home10.highway.ne.jp/HATAHATA/