MY COLD DORM MATE Jeong Aeris is a bubbly girl who lives in Busan. She lives a poor life in Busan, but not that poor. Her dad died ever since she was a kid. Her mom was starting to struggle with debts and unpaid bills. Then she had a Stepfather when she reached Junior high. They needed to move to his house, meaning they'll go to another country. Only to find out that her mom's best friend was their neighbor Lee Kairo is a cold hearted nerd. He loves spending time on books and academics than dating anyone. He hates it when he gets noticed. He was known for being intelligent and smart in college. And some girls admired him for it. Only to find out that his mom's best friend was their neighbor. And her daughter is messy and bubbly. Will they be close soon? Or still be enemies?