A population who has a crush on the university queen kain camp. She sees an opportunity to confess to Jinyoung, but she lacks courage. One day, in the hallway of the school, In-gu sees Jinyoung being confessed to by a tall, kinky man. In-gu, who has some confidence in her refusal of his confession, decides to confess and prepares a letter containing her feelings. However, on the day she was about to confess, her only best friend, Young-sik, loses the player, and she loses even the courage that she barely gained by seeing Young-sik's face. The frustrated population rushes to apply for military service. It was the day two days before enlistment and the last day of college. Coincidentally, she finds out that Jinyoung is going to take a language course the day she enlists. That night, she has a farewell party for Jinyoung with her friends, who wakes up late at night when everyone is drunk. Wearing a short skirt, she meets Jinyoung sleeping in front of her eyes...