URLs

• https://www.pixiv.net/users/3539409
• https://www.pixiv.net/users/3591130
• https://www.pixiv.net/stacc/otousan01
• https://www.pixiv.net/stacc/torajichan
• https://twitter.com/ohkita_mahiro
• https://twitter.com/intent/user?user_id=880963524326965251
• https://pawoo.net/@ohkitamahiro
• https://pawoo.net/@otousamu
• https://pawoo.net/web/accounts/188645
• https://pawoo.net/web/accounts/568341
• https://mahiroohkita.fanbox.cc
• https://sketch.pixiv.net/@otousan01
• https://sketch.pixiv.net/@torajichan
• https://www.tinami.com/creator/profile/21011
• https://hiroohkita.tumblr.com
• http://privatter.net/u/ohkita_mahiro
• http://privatter.net/u/otoutayun
• http://www.amazon.co.jp/s/?search-alias=books-jp&field-author=大北+紘子
• http://www.amazon.co.jp/大北真潤/e/B078P413F6/
• http://portal.circle.ms/Circle/Index/10014369
• http://ja.wikipedia.org/wiki/大北真潤
• https://ameblo.jp/gwing
• http://afternoon.moae.jp/lineup/853
• https://note.mu/otousan01
• http://d-fish.nsf.jp/ld/
• https://twitter.com/otoutayun