Kanae’s younger sister, Kanae, runs away from home and comes to the protagonist’s house out of the blue. The protagonist, Shinobu, is unable to turn away her. The younger sister’s body, which has grown into a full-grown girl, is….. Especially her large breasts are enough to stir the main character’s heart…

A lifestyle of violent behavior that began out of the blue for the purpose of earning her money! My sister’s breasts are at the mercy of us, and sex at a price, supportive relationships and lust in full force!