Ultraman's Strongest Swordsman

The soul of a living swordsman genius traveled to the world of Ultraman and was equipped with a system that recorded videos of battles between countless swordsmen. In this world with countless strong men, countless monsters with strange characteristics, and cunning aliens, what kind of magnificent experiences will he have in the face of the darkness where evil heroes are rising? Can he protect the beauty in his heart with the sword in his hand? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.