My wife was cheated on by my best friend...

Even now I will never forget. The incident, which recurringly simmered intestines, occurred in the spring of Sana's third year since I married him. Sana, who was tired of her life as a housewife, said she wanted to learn how to use computers in order to find a job. By chance, his best friend Yoshida was introduced to him, and Sana ended up going to Yoshida's house from that day. Every day, Sana's behavior became strange and I became anxious, so I decided to sneak into Yoshida's home. There I see an incredible sight...