You Can Cum Three More Times, Right?

Nanami, a full-time housewife, is feeling frustrated. Her husband, Manabu, is a busy doctor and always comes home late. He never ate her cooking nor had sex with her. One day, when Nanami went to buy a birthday cake for her husband, she happened to meet her husband's younger brother, Nozomu and invited him to her house. The two waited for Nanami's husband to return, but it seemed he didn't come back... Nozomu pretends to be drunk and touches Nanami. They can't stop this relationship...