Seung-hyeon, Joo-hee, Gong-ho, and Ki-young were high school classmates, but Seung-hyeon is often absent from school, so she is retiring. While Joo-hee, Gong-ho, and Ki-young enjoy their college life, Seung-hyeon feels lonely and troubled. Moreover, when Joo-hee, whom Seung-hyeon secretly liked, falls in love with Ki-young, he gets even more angry. Then, one day, Seung-hyeon is mischievous and playful, and he takes his friends to the daily teahouse run by Deok-hwan and tries to feed them, but g...