This comedy action manga focuses on the daily life and activities of a hero, Saitama, who can bring down any enemy with his “One Punch”. An online comic by MURATA Yusuke of Eyeshield 21 (Shueisha, 2002-) fame who has been powerfully tagged as “the strongest JUMP gene”, using the original work of One, known for his online charisma, which was published on the artist's personal website.