S01E01 I'm Here
Koichi is convinced he'll never manage to become a hero, until he meets someone with an odd take on justice.
Koichi's mother is in town, and he's willing to take drastic measures so that she'll let him stay in Tokyo.
After a life-changing incident, timid college student Koichi Haimawari accepts an offer from revered vigilante Knuckleduster to train as his protégé.