URLs

• https://www.pixiv.net/users/644131
• https://www.pixiv.net/stacc/kerorin2104
• https://sketch.pixiv.net/@kerorin2104
• http://www.doujinshi.org/browse/author/5929/Chiba-Tetsutarou/
• http://www.coremagazine.co.jp/comic/comic/chiba_tetsutaro/
• http://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/creater.php?creater=16868