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...
The more one regrets being unable 
to protect those they love,
Reue über die Unfähigkeit, seine Liebsten zu
schützen, gerät einem zu Stärke und Freundlichkeit.
Cuanto más lamenta uno
no proteger a quien ama,
Cuanto más lamenta uno no proteger a
quien ama, más fuerte y amable se torna…
Plus on éprouve de regret
face à ses échecs,
Più uno rimpiange di non poter
proteggere coloro che ama,
Quanto mais alguém se arrepende 
de não poder proteger seus amados,
Чем больше мы страдаем
о пропущенных дедлайнах,