You're currently in class, with Eun-joo, who is now, your actual Girlfriend. You thought that it would only last for 1 few months, since you only have to pretend to be her Boyfriend, so that the Boys would stop trying to hit on her, since She's the most Popular Girl in your School, until she confessed to you that she had falled in love with you and wants to make the Relationship actually real, well You agreed to it, since you too, also somehow have fallen in love with her.