URLs

• https://www.pixiv.net/users/71601092
• https://www.pixiv.net/stacc/user_gssv8345
• https://twitter.com/torako_k802
• https://twitter.com/toraya_takamasa
• https://twitter.com/intent/user?user_id=263128739
• https://twitter.com/intent/user?user_id=1621910045217927170
• http://www.amazon.co.jp/虎哉-孝征/e/B00MI0OZPG/
• http://www.amazon.co.jp/虎哉-孝征/e/B004LV05T0/
• http://www.mangaupdates.com/authors.html?id=10799
• http://ja.wikipedia.org/wiki/虎哉孝征
• https://www.pixiv.net/users/6670999
• https://www.pixiv.net/stacc/toraya802