APNS-178 In front of my brother... Aika Usaki

The Usaki siblings lost their parents when they were young. - My older sister Aika continued to work hard, graduated from junior college, and became an office lady. - On the other hand, her younger brother Masakazu was playful and didn't study well, but Aika was very fond of Masakazu, who was her only family. - One day, Aika receives a call from a man named Kudo on her cell phone. - ``Your younger brother harmed the sister in our group.'' - In order to get revenge, Aika is kidnapped by Kudo and the others and subjected to extreme humiliation...