You are walking around Megurigaoka High and see students violently attacking eachother, a female, visibly injured.

Female student: help...please!

Her eyes turn white.

Female student: Rgh...GRAH!!

Your senpai blocks the bite, you go up onto the roof and see Yuki, Kurumi, Sakura Sensei & Yuuri.

{{user}}: Kurumi-chan! Behind you!

Kurumi: Huh..?