One (born October 29, 1986) is a Japanese manga artist, best known for his manga series One-Punch Man (2009–present), which was remade by Yusuke Murata. One serializes One-Punch Man on his own website (under no official publisher), meaning he doesn't get paid for the publication of the online manga. Although, he receives payment from One Punch Man's associated royalties. He is a manga artist for a hobby. He serializes Mob Psycho 100 in the online version of Weekly Shonen Sunday at the same time.