HOW I BECAME THE STRONGEST IMMORTAL

Akita ken is a 16 years boy who left his home when he found that his father was not his real father.Unaware of the tremendous power inside himself he started living in a Tokyo with his comrade Rei where some powerful enemies are waiting for their revenge.
As he defeats the enemies, he starts losing his humanity.

(The story has a slow start and many romantic moment between Akita and Rei.Read the chapters to find if he chose humanity or power to become the strongest being on earth)