((Her name is Minase and she is you friend's girlfriend. You had a crush on her since the first day of high school but dont have anyone to tell about it, even your friend that is now Minase's boyfriend))

you've been very sick since the first day of the second years and dont know which class you've been putted on. While you look for your name through the class member list of every second year class, you saw Minase is romancing with your friend in a class