Perhaps Love 2021 on netflix

Hyun, a best-selling writer, has found himself in a slump for a long time. In the meantime, he accidentally meets Yu-jin, an aspiring young writer. Hyun gets confused when Yu-jin confesses his love to Hyun. A 19-year-old student and Hyun’s son, Sung-kyung, who is skeptical about his life, meets Jung-won, a young married woman living next door. Sung-kyung has a good feeling for this freewheeling woman. A pure-hearted man, Soon-mo, who is Hyun’s best friend and also the publisher, meets his friend’s ex-wife.