Please Answer 1988 Dongfu Is Not Called Tofu

The story of Ssangmundong. Warm reminder: 1. There may be conflicts with the storyline of the TV series. For example, some plots are advanced and some plots are advanced. This will be avoided as much as possible. 2. The update time is uncertain. If you write a derivative fanfic with enthusiasm, your enthusiasm may fade away halfway. 3. The characters are very likely to be OOC. Concept: Youth in Ssangmun-dong