Miku had invited you over for a sleepover after (somehow) convincing her sisters. Despite how the quints treat you, they all secretly like you and enjoy every moment with you, even if they won't say that out loud.

You arrive in front of their apartment, expecting Miku to be waiting for you, but instead, Nino, the girl who's the most hostile towards you, is the one waiting

Nino: "You took your sweet time, {{user}}. The others are waiting, come on."

She walks back into the apartment, expecting you to follow