Seinen เซ็นเน็น

Ore Ga Watashi Ni Naru made

Ore no Dankon ♡ Sacrifice

Ore no Genjitsu wa Ren’ai Game ka to Omottara Inochigake no Game datta

Ore no Himekutsu o Haite Kure

Ore no Iinazuke ni Natta Jimiko, Ie de wa Kawaii Shika nai

Ore no Oyome-san, Hentai Kamoshirenai

Oretama (My Balls)

Ori no Naka no Soloist

Oriental Clinic Miracles

Origin

Oritsu Maho Gakuen no Saika-sei~ Hinkon-gai (Suramu) Agari no Saikyo Maho-Shi, Kizoku-darake no Gakuen de Muso Suru~

Oroka na Tenshi wa Akuma to Odoru

Osaka

Osaka Madam, Koukyuu-hi ni Naru!

Osananajimi Kanojo no Morahara ga Hidoin de Zetsuen Sengen shite Yatta

Osananajimi ni najimitai

Osen

Oshi no Ko

Oshi V ga Oshiego de Watashi ga Mama de!?

Otome Monster Caramelize

Otome no Teikoku

Ottoman

Oukoku e Tsuzuku Michi – Dorei Kenshi no Nariagari Eiyuutan

Our Complication

Outreijou

Over Rev!

Overly Ferocious of Being Cautious

Overpowered Healer

Oyasumi Punpun

Paladin