URLs

• https://www.pixiv.net/users/569859
• https://www.pixiv.net/stacc/retrotica
• https://twitter.com/hare_day
• https://twitter.com/harechica
• https://twitter.com/intent/user?user_id=86892818
• https://twitter.com/intent/user?user_id=210514234
• http://retrotic-land.jugem.jp
• https://tegaki.pipa.jp/236443/