Want to 'swap' with a couple consisting of an S1 actress and an AV actor? For the first installment, we'll send out 'Kuramochi Yua'. Two participating couples. A relationship between spouses that has become irreparably strained... strip it all off and boldly change partners! Jealousy, confusion, excitement... a thick swapping of intense emotions. After enjoying a different cock and pussy, you'll see the good side of your partner. S1 is waiting for swap requests!
