Endless Rain 2021

Name: Endless Rain
Released: 2021-04-28
Cast: Kang Ha-neul, Chun Woo-hee, Kang So-ra, Lee Sul, Lim Ju-hwan

Synopsis:

Young-ho doesn't have any dreams for his life. He has been studying for three years to enter a university. He decides to send a letter to his childhood friend So-yeon. But her younger sister So-hee receives the letter instead of her sick sister. So-hee writes back to Young-ho, pretending to be So-yeon. Meanwhile, So-hee takes care of her sick sister and also runs a secondhand bookstore with her mother.