Synopsis
On a lonely night, her older sister was sent back ten years by a lewd system, her body becoming even more alluring. System quest: masturbate in public; oral sex can earn an extra reward. Riding her bike, she deliberately pressed herself close to her younger brother, and at a red light “accidentally” touched his already-hard cock. All day she had been plotting how to complete the task that night—whether to simply kneel down and take him in her mouth,