Onkyou Seimeitai Noiseman

Released: 1997

Only I Can Command All the Sects in the World

Released: 2024

Only I Can Use Summoning

Released: 2024

Onmyoji Rani

Released: 2023

Onyx Equinox

Released: 2020

Ookami Kakushi

Released: 2010

Ookamikakushi

Released: 2010

Opening Awakening Favorability System

Released: 2023

Ore dake Haireru Kakushi Dungeon

Released: 2021

Ore dake Haireru Kakushi Dungeon (Dub)

Released: 2021

Ore dake Level Up na Ken

Released: 2023

Ore dake Level Up na Ken (Dub)

Released: 2024

Ore dake Level Up na Ken (Korean Dub)

Released: 2024

Ore wa Subete wo "Parry" suru: Gyaku Kanchigai no Sekai Saikyou wa Boukensha ni Naritai

Released: 2024

Ore wa Subete wo "Parry" suru: Gyaku Kanchigai no Sekai Saikyou wa Boukensha ni Naritai (Dub)

Released: 2024

Ore wa Teppei

Released: 1977

Ore, Twintail ni Narimasu. (Dub)

Released: 2014

Ore, Twintails ni Narimasu.

Released: 2014

Orient

Released: 2022

Orient (Dub)

Released: 2022