Ayu Mayu - NUDES, ECCHI, non-H manga fanservice

A brother is forced to keep his two sisters away from a lecherous guy, leading to a series of steamy bath encounters that test his resolve and ignite an ecchi harem of small‑breasted, swimsuit‑clad girls. The tension builds as the siblings navigate secret challenges, with the promise of a new challenge beginning in a week. The story blends comedic family dynamics with provocative fanservice, highlighted by nudity and the recurring presence of a bikini‑clad tomboy sister.