The younger sister, Nagi, liked the older sister, Rena. - The older sister knows her younger sister's feelings and accepts her kindness. - The gentle and sweet kiss gradually becomes more intense. - Because I like it, I want to do things that feel good even more. - Touching, licking, and loving every inch of each other's bodies. - Cumming, cumming, being made to cum, the sisters' secret lovemaking is repeated from morning until night.