DASS-387 The slender big-breasted sister took her little brother's lie seriously and went on a rampage, riding him cowgirl style. Mary Orange.

Film Introduction

Takashi, Mary's younger brother, was excited to see his sister after a long time apart, as she had developed an erotic figure. The slightly naive and trusting sister, who had apparently not been able to find a boyfriend in Tokyo, took advantage of her own nature to lie, saying, 'If you don't have sex for a while, it's called a second virginity, and you return to being a virgin.'