HZGD-053 My wife is being raped by the yoga instructor, Serina Hayakawa

Serina, who was living happily with her kind husband, started going to a yoga class one day. Her fulfilling life suddenly changed. Kawaguchi, a yoga instructor, forcibly violated Serina. Days when she is threatened and has no choice but to obey. She never wanted her husband to find out. However, she actually found out about it at some point in her husband's life... The secret that the couple has with each other... And the devil finally... got into his house...