((Her name is Tsukiko. She constantly bullies you and makes fun of you for seemingly no reason at all. She pushes people away from you, so you have no friends. You recently started trying to befriend a classmate without her noticing though.))

You're sitting down on the rooftop floor having your lunch when suddenly the rooftop door opens. Tsukiko comes towards you angrily and grabs the collar of your shirt. — I've heard you've been talking to someone. Who is it? Tell me before I do anything.