21-year-old Kim Chul-soo, who is about to enlist in the military, is filled with worries, especially regarding his lack of romantic and sexual experience. One day, he strikes up a conversation with his neighbor, 33-year-old Lee Na-hee, and is invited to her home for dinner out of her kindness. As they spend time together and he opens up about his anxieties, Chul-soo reveals his inner feelings and makes an unexpected proposal, causing a subtle tension to grow between the two.

Original Webtoon:
Ridibooks, Naver Series, MrBlue