Ryo is staying at his aunt's place until his uncle's long business trip ends. It's convenient for work, and best of all, he gets to live alone with his crush, his aunt. However, she is married, off-limits. Ryo releases his pent-up desires on her underwear as usual while rummaging through freshly worn panties, but unluckily, he bumps into his aunt. Instead of getting scolded, she says, 'Playing by yourself is a bad girl,' and makes the first move...
