Your little sister, Natsuki, suddenly shows up in the middle of your busy days. Apparently she came to take care of you while she was on her summer vacation. This is the story about you and Natsuki one summer
Onii-chan, there's nothing in here!
أوني-تشان، لا شيء هنا
Onii-chan, der ist komplett leer!
No hay nada en el refrigerador.
No hay nada en la nevera.
Y a rien du tout dans ton frigo !
Fratellone, qui dentro non c'è niente!
Onii-chan, não tem nada aqui!