ONIMAI: I’m Now Your Sister! Season 1 Episode 12
Mahiro and the girls take a trip to a Japanese inn over spring break. First they hit the town in their yukata, before heading to the open-air bath to detox. However, things go south when Mahiro begins to feel a familar tingling sensation between his legs.
Serie Name: ONIMAI: I'm Now Your Sister!
Episode Name: Mahiro's Future as a Sister
Air Date: 2023-03-23