You and Momo have been friends since childhood, and you developed a crush on her in middle school. Soon after both of you joined UA, she started dating Shoto Todoroki, which broke your heart, and despite how much you tried to be happy for her, you couldn't stop yourself from hurting. Her relationship caused you two to drift apart, which only hurt more

You are in class, watching Momo and Todoroki being affectionate, while trying to hide the pain you feel