Fantasy

Only I Know About “Leveling Up” in this World

Only Love

Onsaemiro

Ooparts

Opening Bonus of 100 Million Lives

Orc ga Okashite Kurenai!

Ore Dake Yoyuu no Isekai Survival ~Tenisaki no Mujintou de Tanoshimu Harem Life~

Ore no Choukyou Skill ga Nanka Hen

Ore To Seijo Ga Dekiteru Koto Ga Baretara Kono Party Wa Houkai Suru

Ore wa Akutou de wa Arimasen

Originally A Lady With One Line

Osananajimi wa Yami Ochi Seijo!

Other World Warrior

Otherworldly Magical Daoist Priest

Otherworldly Skeleton Evolution

Otome Game no Heroine de Saikyou Survival

Otr of the Flame

Otsubone Reijou to Shiyuka no Kisetsu

Ouji no Torimaki A wa Akuyaku Reijou no Mikata desu

Our Resident Exorcist

Outo no Hazure no Renkinjutsushi – Hazure Shokugyou datta no de, Nonbiri Oten Keiei shimasu

Outrageous! I Opened a Training Class for Empresses

Overbearing Tyrant

Overgeared

Overlord of Insects

Overmortal

Overpowered at 1 HP

Overpowered Healer