I have a crush on my lover's younger sister Yume Nikaido: Today Yume Nikaido's family was away and her older sister invited her lover home to eat and stay the night. Yume Nikaido, who was heartbroken at this time, tried to seduce the other brother. With her charm, Yume Nikaido let this guy know what it's like to secretly get high, if everything will be discovered, we invite you to watch!!