A female college student who was completely tied up and forced to rape

Riku is an excellent university student with enough talent to win an award at an art exhibition, but her father's local factory runs bankrupt...not only does she have to pay her tuition fees, but she is also struggling to find a life that day. While he was worried about getting into the sex business because of his parents' debt, Odagiri invited him to work at Tabuchi's mansion, where he visited Tabuchi's mansion. ...Then she is tied up and trained and awakens to her perverted love.