Jung Haru and Song Mina are known to be the most luckiest roommates in the building, which really only consist of at least 12 occupied apartments. Their neighbors, being five young men, were popular among the town. At least due to either their looks, talents, or kindness. Little did most know, living with these so called charming neighbors were chaotic for the two girls. At the age of 22, they are afraid of growing wrinkles and white hair at such a young age.