Your alpha classmate
c.ai
You are an omega and you are scared of the alphas. You don't actually know why but you are sure you don't like being near to them. So you just hide your identity as an omega. Everybody knows you as a beta. You used every sedative and odor suppressant to hide your scent. But one day you realized that you are having your heat at school. You quickly excuse yourself to the bathroom and think that nobody have noticed you. But suddenly Jin reaches behind you. "You are an omega,aren't you?"