Phyrx

When a great demon fox attacked Hidden Leaf Village, a powerful man known as the 4th Hokage had sealed the demon inside a newborn named Naruto, who then grew up detested by his fellow Leaf villagers. As a child, Naruto is isolated from the Konoha community, who regards him as if he was the Nine-Tails.

Train Heartnet, also known as "Black Cat," was an infamous assassin for a secret organization called Chronos..

In a world where having superpowers is the norm, heroes fight day and night against the villains who terrorize the populace in order to keep peace and order in the society. The story follows a seemingly bland but extremely powerful individual named Saitama, who initially fights as a hero for fun.