Kim Yun Woo works as a low-level civil servant in a district office. Although he is thirty, he is still innocent for his age and has been on numerous unfruitful blind dates in search of a suitable wife. After moving to a new place, he runs into Han Soo Yong, a high school student who lives downstairs. She is a cheerful and eccentric eighteen-year-old who lives with her mother that acts like
