SNIS-323 I'm a criminal. ~ Beautiful older sister with younger brother's feelings ~ Aya Sakurai

Aya who lost her parents and lived happily with her younger brother despite being poor. One day, suddenly, a person was sent from his younger brother's place of employment and he was informed that his younger brother had spent the money of the company. Bondage leap that can not move. Sex training using aphrodisiacs. In order to repay with the body, he falls into a female dog himself ... At the end, without knowing his younger brother ...