Fantasy

Otaku Vampire's Love Bite

Outlanders

Overlord

Overlord: The Undead King Oh!

Oversummoned, Overpowered, and Over It!

Pandora Hearts

Part-Time Grim Reaper

Peddler in Another World: I Can Go Back to My World Whenever I Want (Manga)

Petals of Reincarnation

Phantasm