Seinen

Okaa-San 10-Sai To Boku

Okashi na Tensei

Okashiratsuki

Okinawa de Suki ni Natta Ko ga Hougen Sugite Tsura Sugiru

Okitenemuru

Oku-sama wa Niizuma-chan

Okusan

Omae o Otaku ni Shiteyaru kara, Ore o Riajuu ni Shitekure!

Omaera Zenin Mendokusai!

Omnipotence