Itsuki Hashima is a popular, young novelist. However, he is obsessed with little sisters and his works seem to always include little sisters, so there’s some difficulty coming up with a new series. One day, his younger step-brother Chihiro and his colleagues, Hayato Fuwa, Nayuta Kani, and fellow college student, Miyako Shirakawa show up at his apartment. They enjoy dinner, drinks, and a game. That night, Nayuta makes advances towards Itsuki, but...
with his sister's bra and then 
eating her damn panties...
et mange sa culotte,
l’air de rien !
della sorella e poi se ne mangia le mutandine...
e depois comendo as
 calcinhas da irmã...