Anime XXX - Oku-Sama Wa Moto Yariman Ep

Based on a doujin game by Orcsoft. Yuuto lives alone in an apartment complex, but he is not lonely thanks to his neighbours Megumi, Anna, and Mako. While he appreciates their company (and their appearance), he is a little upset that they usually treat him like a child, rather than a man. Things alter on the night of his birthday, when, following the party the three throw for him, Megumi informs him that she will do something special for him as a birthday present. It's the start of Yuuto's scorching summer vacation with the three sultry ladies...