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...
If you're holed up there, 
why are you out fooling around?
Was hängst du dann hier rum,
wenn du dich gerade da verkriechst?
Si está cerca, ¿por qué no te vas?
Si está cerca, ¿por qué no te vas?
Pourquoi t’es là, si t’es cloîtrée ?
Se sei in ritiro lì, che ci fai qui?
Se você está concentrada, então
 por que está aqui brincando?
Чего ж ты тогда по гостям ошиваешься?