Action

Unbeatable Sword Master Cultivator (Versatile Sword Cultivator)

Unbreakable

Undead King ~A Low-Ranking Adventurer, With the Power of Monsters, Becomes Unbeatable~

Undead Messiah

Undead Unluck

Under Ninja

Undercover! Chaebol High School

Unforgivable Sin

Unforgivable! Unpardonably Vicious!

Universal Raider