Three Anime Worlds

A boy who died alongside the thugs had his soul and consciousness transmigrate to another world.

Life means gain and loss, so he was never destined to become an invincible protagonist.

"You can see through history and gaze into the future! No one will ever surpass you two in taijutsu! I, Madara, declare you the strongest!"

"Sanguinem666, a demon standing atop a sea of blood."

"An emperor is not defined by the prosperous empire he built during his life, nor by commanding peerless iron hooves to trample the world. It is what happens after his death: dynasties may change, but he continues to influence the people."