Mutsu Enmei Ryuu Iikai-den – Shura no Mon – Mutsu-san wa Chou Tsuyoi?!

Reincarnated into a realm where magic reigns supreme, a half-naked man with no memories or mystical abilities still cannot be defeated—thanks to his mastery of the undefeated Mutsu Enmei-ryu. As he tears through foes in this alternate world, fragments of his past start returning, beginning with his own name.