MRSS-176 Assault On Senior Ka Apron Yuika Onozaka Synopsis A young single hero who is interested in the opposite sex. He has a crush on the senior in the café where he works, so he uses a trick to ask his sister to play games at her house. Shortly after the two of them play games together, the young man does not hesitate to charge the older sister with a lustful charge, causing her to become sexually aroused and become a sex slave.