Fellatio Research Department | Fellatio Kenkyuubu - Ch.01
[Kirei na Oneesan (Izumi Yayoi)] Cos Tama - Tama Netorare Bangaihen (ToHeart2) [Digital]
(C89) [Nijiiro Suisho (Nanashiki)] Erohon o Yondetara Kinjo no Onee-san ni Fellatio Sareta Hanashi
(SC46) [Kirei na Oneesan (Izumi Yayoi)] Ryo-chin wa Ore no Yome! (THE IDOLM@STER Dearly Stars)
Musuko ni Chichisuke Manhami Ero Shitagi o Kyouyou Sareta Haha
Fellatio Kenkyuubu | Departamento de Investigación de las Felaciones Ch. 1
(COMIC1☆13) [Kirei na Oneesan (Izumi Yayoi)] Love Wife! Sunshine!! Sakurauchi-san-chi no Oku-sama no Baai (Love Live! Sunshine!!)
(C89) [Nijiiro Suisho (Nanashiki)] Erohon o Yondetara Kinjo no Onee-san ni Fellatio Sareta Hanashi [English] [TreePerception]
[Gesewa na Hanashi] Musuko ni Chichisuke Manhami Ero Shitagi o Kyouyou Sareta Haha
[Kirei na Oneesan (Izumi Yayoi)] Toppatsu Copy Shi Kirei na Oneesan With "Kaori 2.5 shou" (Kanon)
