Romance โรแมนซ์

Oogami-san, Dadamore desu

Ooh!! My Wife, Acting Coquettish Again

Ookami Ryoushu no Ojousama

Ookii Onnanoko wa Daisuki Desu ka?

Open Gates from Hell

Open The Female Matching Strategy System

OpenTalk

Operation True Love

Orc Hero Story – Discovery Chronicles

Ore Igai Dare mo Saishu Dekinai Sozai na no ni “Sozai Saishuritsu ga Hikui” to Pawahara suru Osananajimi Renkinjutsushi to Zetsuen shita Senzoku Madoushi, Henkyou no Machi de Slow Life wo Okuritai.

Ore ni mo Aitsu ni mo Tsugeranaide kure

Ore ni Trauma wo Ataeta Joshitachi ga Chirachira Mitekuru kedo, Zannen desu ga Teokure desu

Ore no Class ni Wakagaetta Motoyome ga Iru

Ore no Dankon ♡ Sacrifice

Ore no Himekutsu o Haite Kure

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

Ore no Oyome-san, Hentai Kamoshirenai

Ore no Saenai Osananajimi ga S-Rank Yuusha ni Natteita Ken

Ore wa Mada Honki wo Dashite Inai

Ore Wa Mada Honki Wo Dashite Inai DX

Orenchi ni Kita Onna Kishi to Inakagurashi Surukotoninatta Ken

Oretama (My Balls)

Oriental Clinic Miracles

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!

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

Osananajimi ga Hisabisa ni Saikai Shitara Otagai Kyonyuu ni Natteta

Osananajimi ga kyouteki desu.