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...
I didn't hear a thing 
about her being in this!
¡No escuché nada de ella!
¡Primera noticia que tengo de ella!
T’en as jamais parlé avant !
Non mi hai mai parlato di lei!
Eu não ouvi falar nada
 sobre ela até agora!
Откуда она взялась?!