To break the monotony, Rio buys some adult toys. But when the package is supposed to arrive, it is sent to her neighbor's house. The box is damaged during delivery, and the neighbor finds out what is inside. Unaware of this, Rio sees the notice and goes to the neighbor's house to collect the package. The neighbor then peeks at the contents of the box and approaches her. Unable to resist the embarrassment, Rio allows her chastity to be taken by the neighbor's desire. Swallowed up in waves of pleasure, Rio shows her frustration by volunteering for sex.