URLs

• https://www.pixiv.net/users/268268
• https://www.pixiv.net/stacc/mutoukeiji
• https://twitter.com/k_mutoh
• https://twitter.com/intent/user?user_id=179891168
• https://fantia.jp/esperanza
• https://fantia.jp/fanclubs/473744
• https://sketch.pixiv.net/@mutoukeiji
• http://blog.livedoor.jp/iranko
• http://doujinshi.mugimugi.org/author/3213/Mutou-Keiji
• https://ec.toranoana.jp/tora_r/ec/app/catalog/list?searchActorName=むとうけいじ
• https://ec.toranoana.jp/tora_r/ec/cot/circle/LUPAe36P8U7Kd260d687/all
• http://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/creater.php?creater=247
• http://members2.jcom.home.ne.jp/iranko00
• http://members2.jcom.home.ne.jp/iranko00/mutoh.html