OKS COMIX Yuri Series: Forbidden Sisters — Ongoing
- Sweet Nail by Aoko released Oct 22 '12
- My Little Sister Is Too Cute by Urutsu Sahari released Oct 24 '12
- Together with My Big Sister by Orico released Jan 27 '13
- Request to Onee-chan by Kitao Taki released Mar 14 '13
- Secret Sweet Night by Mira released Apr 16 '13
- Moon and Sunflower by Sakurai Minami and Ume Maru released Aug 3 '13
- Stopping By On The Way by Kuroba released Dec 1 '14
- Sister Sun, Sister Moon by Liliya released Jun 29 '18