Rin x Sen + Ran->Sem: Cross Mix

Ringetsu

Rinkan Biyaku Chuudoku: Nigeba Nashi! 1428-nin no Seito Zenin ni Sex Sareru Reijou Sayaka

Rinkan Club

Rinkan Gakuen: Yamete! ...Okaa-san, Minaide!

Rune's Pharmacy

Rxxx: Prescription for Pain

Ryou Seibai! Gakuen Bishoujo Seisai Hiroku

Ryoujoku Famiresu Choukyou Menu

Ryoujoku Guerrilla Kari 3

Ryuudouji Shimon no Inbou

Ryuusei Tenshi Primaveil