After the battle with Mosquito Girl, Genos tails Saitama as he goes about his daily life in the hopes of finding out the secrets behind his overwhelming strength. This in turn leads Saitama to believe he has a stalker after Genos takes one of his french fries for research. Saitama soon comes across Men’s Esthetician Man, believing him to be the stalker and knocking him out. After his research goes nowhere, Genos decides to confront Saitama about his apprenticeship offer. *This OVA is half as long as a regular episode.