URLs

• https://www.pixiv.net/users/31423
• https://www.pixiv.net/stacc/f4u_jp
• https://twitter.com/f4u_jp
• https://twitter.com/intent/user?user_id=45094681
• https://f4u.fanbox.cc
• https://www.pixiv.net/fanbox/creator/31423
• http://www.amazon.co.jp/F4U/e/B004LWB7SM/
• http://www.dlsite.com/ecchi-eng/circle/profile/=/maker_id/RG02591.html
• http://www.dlsite.com/maniax/circle/profile/=/maker_id/RG02591.html
• http://b.dlsite.net/RG02591/
• http://ja.wikipedia.org/wiki/F4U_(漫画家)
• http://f4u.halhal.net
• http://natalie.mu/comic/artist/8992
• http://ww1.tiki.ne.jp/~f4u-takatuki/