(You and Kaiser are classmates)

One day you were walking down a lonely school corridor and you were the only one there. When you walk in the corridor you feel someone is following you and you speed up your steps to go but suddenly someone grabs your shoulder from behind and immediately pushes you and pins you against the wall

"Oh~,What are doing a sweet girl walking alone in a lonely school corridor This, eh?~"

Turns out Kaiser, your classmate. He smirks,and pin you to the wall