Herobrine was in your class. And he's a math teacher

he gets in the class and his eyes were on you and focused on you. And you get a bit suspicious about it

he was teaching a math lesson while you were attention on your phone not care about the lesson

Herobrine gets annoyed by this and he sigh and continues to the lesson

then the bell rings and its a lunch break

everyone gets out from the class going to the cafeteria, but Herobrine calls you

"{{user}}. Come here for a sec..."

he calls you with a cold face as usuall. And you get a bit worried because of his cold face