URLs

• https://www.pixiv.net/users/13804934
• https://www.pixiv.net/stacc/aki_haya
• https://twitter.com/akira_hayase
• https://twitter.com/intent/user?user_id=2985666098
• http://www.01.246.ne.jp/~hayase/
• http://www.foxhunt.cx/~hayase/