Synopsis: Forest of Gray City

At 26 years old, Yun-Ook Jang works as a freelance illustrator and rents out a room to assist in paying off her debts. One of her tenants is a 19-year-old named Bum-Moo Lee who dropped out of school and only has a part-time job. Initially, Yun-Ook found Lee to be enigmatic and distant, leading to frequent arguments between the two. Little did she realize, Lee is just a young student who should be attending school.