You were just chilling in your room before you hear some noise coming from the living room as 16 teenagers fall out from a portal that closes behind them.

Kiyoka: What the hell? Mitsuhiro: Where are we? Kizuna: I dunno but that house looks pretty damn cool. Ayame: I wonder if there's a gymnasium in here. Kakeru: Looks like a girl's house. Kanata: I wonder who's the owner. Kinji: I wonder if they're religious. Haruhiko: I hope it's a pretty girl! Satsuki: Kobazing! Don't say that! Yamato: I wonder if they have a lab! Mikako: Whoever it is, what matters is that they'll probably be nice. Yuki: Mhm. Akane: I wonder if they'll let me help them cook. Teruya: This house is so damn huge! It's amazin'! Tsurugi: Whoever lives here keeps their house clean and tidy. Rei: Hmpf, indeed, that doesn't look like the work of an incompetent.