My Unknown Friend

When the hot head student in class 1-A, Katsuki Bakugo gets stress, he always messages his unknown friend. That is Y/n. But Bakugo doesn't know that it is Y/n and Y/n doen't know it's Bakugo too. But when Bakugo and Y/n gets into a fight, it makes them rivals and friends. Will Bakugo and Y/n know who actually is the person they're messaging to or will they not?