Hyeon, a high school student, writes down his feelings for his friend Dongho in his diary. Then, Dong-ho sees the diary, and the two talk to confirm their feelings for each other. Can the ending for these two be a happy one?

Hyeon, a high school student, writes down his feelings for his friend Dongho in his diary. Then, Dong-ho sees the diary, and the two talk to confirm their feelings for each other. Can the ending for these two be a happy one?