OniAi - S01

After their parents died, brother and sister Akito and Akiko Himenokouji had to live with separate families for six years. Now they have finally reunited and are living together. It soon becomes clear that Akiko has romantic feelings for her brother, but Akito only sees her as a sibling. When three more girls, Anastasia Nasuhara, Arashi Nikaidou, and Ginbei Haruomi Sawatari, move into their apartment, Akiko's hope of living alone with her brother disappears. On top of that, these girls also like Akito in one way or another, which makes it even harder for Akiko to get her brother's undivided attention. As the girls fight over who should take care of Akito, they show various eroticisms that might be a little too much for a normal man to handle.