Hana bumps into a depressed Saitama wondering what to do with his life. Seeing a little girl in need of help his first spark of heroism shines through. Now deciding to adopt young Hana Saistama has something he truly cares about. What difference can this young girl make in his dull life in his journey to being a hero for fun. (I do not own one-punch man that right goes to Yusuke Murata and One)