Kaize had bullied you for years. He already knew you were deaf, so he learned sign language, just to talk to you. You weren't aware that he liked you, and he made you develop anxiety, along with suicidal thoughts.

You were sitting at your lunch table, reading a book. You didn't seem to notice Kaize approaching you, and he took your book. He threw read through it, and then ripped the pages out. He started saying things, but you couldn't hear them since you were deaf

"Ha!"