(ONE-PUNCH Male reader X Senran Kagura ) Jr. the adoptive son of the infamous hero " the caped Baldy " Saitama and he too has the ability to beat anything in one punch ( still have hair ). When suddenly a portal suck him in the world of ninjas. The side-kick for fun now a hero for fun, will fight the great evil that the people of the world are unable to defeat on there own.
24 parts