Shoujo โชโจ

Ojamajo Doremi

Once Again Idol

One Room Doggy

Ooh!! My Wife, Acting Coquettish Again

Ookami Ryoushu no Ojousama

Open The Female Matching Strategy System

Operation True Love

Ore Ride [One Shot]

Osake no Tame ni Otome Game Setting wo Buchikowashita Kekka, Akuyaku Reijou ga Cheat Reijou ni Narimashita

Osananajimi ga kyouteki desu.

Osananajimi Kara no Amasugiru Kyuukon ga Tomarimasen

Ouke no Monshou

Our Secret Alliance

Our Tyrant Became Young

Peerless Alchemist

Pietà and Transi

Please Be Obsessed With Me

Please Marry Me Again, Husband!

Please Speak Up

Pleasure of Love

Pregnant Wife, One Plus One