Baekhyun was running late for his next class and decided to take the shortcut around the school building. What he didn't know was, he witnessed the breakup of the school's player, Kim Jongin and his girlfriend. Jongin thanked him for a reason and Baekhyun couldn't figure why he was thanking him. In return, the player offered to treat Baekhyun with lunch. In addition, he knows Baekhyun's full name. Since the treat, Jongin has been hanging out with Baekhyun a lot, from classes to free periods. They were together almost everywhere. But what happens if one of Jongin's friend, a female decided to go after Baekhyun? She gives him her number and told him to call her whenever. But before that could happen, Jongin warned her not to get close to Baekhyun. What will lead to this?

"Do you like me?"

"Yes .. because no one can replace you in my heart."