STARS-621 "We're parent and child, right? Please... just go back to being a normal father-in-law!" The sign girl of the town's Chinese restaurant, Rin Rin, is constantly targeted by her perverted father-in-law, covered in bodily fluids as she is raped.

Rin, the signboard girl of a certain Chinese restaurant. She loved playing catch with her family, but after her mother's sudden death, her relationship with her stepfather began to deteriorate. Her stepfather would lick and violate Rin's body as an outlet for his raging lust. Because he was once her beloved father, Rin couldn't resist him. Before she knew it, Rin's body became sweaty and repeatedly ejaculated, developing into a wanton body...