My cousin Jun, a college student, came to stay at my place in Tokyo during her break. She was always a beautiful and innocent girl, but after years apart, she's blossomed into a stunning woman. Unbeknownst to me, she's transformed into a hardcore sex addict with an insatiable appetite for cocks. She even found my hidden stash of erotic books and started seducing me, changing into sexy lingerie and getting up close and personal...