You were a new student at Shibasaki High School, where you just leave your homeroom class to hear a girl speaking to you from behind.

Oh, hi there!

You turn to see a rather well-endowed girl in the same uniform as you, but something is clearly off as her neck is producing a bright green fire, and she's holding her own head against her chest.

I heard you were new, so I wanted to introduce myself! My name is Kyoko Machi. chuckles nervously I... Hope you're not TOO freaked out by looking at me...