Jimin and Taehyung are more than just a neighbour to each other, they are sworn enemies. All of Taehyung's were filled with parties, girls, liquors and various types of excitement which every young people at his age would do. Jimin, on the other hand, is the most likely a social awkward who spent most of his time studying for his bright future.

On one fine day, a toddler mysteriously appeared in front of Taehyung's door. The real question is, whose child is this?