Based on the erotic game by Alice Soft.

Kousuke lives a boring life without women.... One day, his father introduces a woman, Madoka, and he is forced to live with her. Madoka's older sister Sakura starts to live with them to keep watch on them and his cohabitation with two beautiful sisters starts....a world filled with wives in need of some attention awaits him.

(Source: saishuu.com)