The second exclusive edition of 'Rio Kuriyama', an older sister with a cute and cute style, not only develops her sexual senses, but also takes on the challenge of being a slut.There are 4 productions that thoroughly explore both sides of 'S' and 'M'. Rio-chan, who is very curious about sex, has a lot of plays she wants to do! Challenge 6 first experiences such as Portio development, male squirt, and subjective! 220 minutes of infinite erotic potential!