ADN-480 The perverted younger brother raped his brother's wife while his brother was away

Hikari is not lucky enough to have children, but she is living a happy life without getting married. One day, her husband's younger brother, Kotaro, who was living with his parents, suddenly fell into poverty after his parents passed away. "Everyone doesn't understand me"...I couldn't hide my frustration when the brother I once considered inferior to me got married and lived in harmony with a beautiful wife. Kotaro forced Hikari to vent. angry.