URLs

• https://www.pixiv.net/users/302683
• https://www.pixiv.net/stacc/tetrato
• https://twitter.com/teto_flan
• https://twitter.com/intent/user?user_id=257407732
• https://pawoo.net/@tetrato
• https://sketch.pixiv.net/@tetrato
• http://www.geocities.jp/kagakubuinn/
• http://yfrog.com/user/teto_flan/photos