Touko is a passionate and free-spirited married woman. Ri confides in Touko her troubles of a sexless marriage. On a summer afternoon, Touko invites Ri to her room when her husband is not around, and Touko seduces Ri with her ripe and erotic body in a lesbian act. Ri loses herself in the passionate kiss that ignites her sexual desire... They press their ripe breasts together and press their steamy crotches against each other... The lewd behavior of a woman that she never shows to her husband is like a fireworks display of an endless female orgasm...