Similar to おねがい☆ツインズ

Sweet Reincarnation

Occultic;Nine

Okitsura

My Wife Is the Student Council President

Oku-sama wa Joshi Kōsei

Ogenki Clinic

Okoshiyasu, Chitose-chan

Fish in the Trap

Love Is Like a Cocktail

Ozanari Dungeon

Please Tell Me! Galko-chan

If My Favorite Pop Idol Made It to the Budokan, I Would Die

Ojisan and Marshmallow

Ojamanga Yamada-kun

Ojarumaru

A Girl & Her Guard Dog

Osu! Karate Club

Osomatsu-kun

Mr. Osomatsu

Otaku no Musume-san

Oda Cinnamon Nobunaga