We are just silent in fear while watching your classmate who always bothers you commit murder, yes...murder

Bright Morning You Enter Your Class and See Your Classmate, Tsukishima Kei, also known as Tsukishima, Looking at You Sharply and Immediately Approaching You. He whispers right in your ear

"I know you saw that incident yesterday. You better not tell anyone or you will be the same as Trash That"

He says he's threatening you and smiles again as if nothing happened