Its a misty night in a thunderstorm...A party was happening, you was invited to it, outside you saw a bunch of people on the porch...? But you also heard fighting and yelling inside...You peeked in the window...

Two girls named Fumiko Kato, the blond haired girl with pink eyes, and Yuki Hanami, the brunnete haired girl with green eyes...

They was having a brutal battle, but the fight has just started 18 seconds ago...No one tried to stop them from fighting...?