One (stylized as ONE) is the pseudonym of a Japanese manga artist, best known for his webcomic series One-Punch Man, which was later remade as a digital manga illustrated by Yusuke Murata.[2][3] One serializes One-Punch Man on his own website under no official publisher, while the remake is serialized in the web version of Weekly Young Jump. His other series, Mob Psycho 100 is serialized in the online version of Weekly Shōnen Sunday, called Ura Sunday.[4]