The drama follows a group of Soyeon University students who are trying to figure out who is hiding under the pseudonym “M”, mentioned in an anonymous post on the university online community. The romance drama will follow their changing relationships and budding romances.
Ma Joo Ah (Park Hae Soo) a 2nd year student in the Business Administration Department. She is a bright, warm hearted girl who has no interest in romantic relationships and has never dated.
Cha Min Ho (Jae Hyun) is a Computer Science student. He has a talent for developing mobile applications. He has been friends with Ma Joo Ah for 12 years.
Seo Ji Min (No Jung Ui) is a student of the Economics Department and is a member of the schools cheering squad.
Park Ha Neul (Bae Hyun Sung) is also a student in the Business Administration Department and is an honorary ambassador of the university.
Also known as: 디어엠 디어엠-연플리 Dieoem Dieo.em Dear M Dear M. Love Playlist 2021/ Love Playlist: Dear.M/ Love Playlist Season 5/ Love Playlist S5 / Love Playlist 5