Mai, a foreigner, ends up getting admission into a Korean university, a country in which she knows no one. Another shock to her is her roommate, Taehyung, who's a total weirdo. What will happen to Mai when she has to live 4years by herself, sharing an apartment with a stranger?

Yeona never thought that she will be ever able to meet him, ever able to talk to him. But things were not like that. She got to know the real him and love him. But were they even real or it turned out to be a dream?