A nephew ends up living with his aunt and uncle. Although he can only do so until his uncle's long business trip is over, he is content living with his aunt Sakura, his first love. Just being by her side is enough. That's what he thought at first. However, ever since Sakura got married, the faint love he had been sealing away begins to resurrect. Unable to suppress the carnal desires budding deep inside his body, the nephew tries to get by somehow by using Sakura's underwear as a stimulant...