Waiting for Rain () is a 2021 South Korean romance melodrama film directed by Jo Jin-mo and written by Yoo Seong-hyub. The film starring Kang Ha-neul and Chun Woo-hee, is a love story between a man and a woman who has yearned for each other for a long time but could not meet due to certain circumstances. The film was released in South Korea on April 28, 2021, in the USA on April 30, 2021, and in Taiwan on May 7, 2021.
Waiting for Rain follows the romance between Young-ho (Kang Ha-neul) and So-hee (Chun Woo-hee). The two become each other's sources of comfort through the connection of a chance letter and make the unlikely promise of meeting up on a rainy December 31. The movie has an "analog" vibe through its depiction of the exchange of handwritten letters rather than phone calls or text messages.
Kang Ha-neul is Park Young-ho, a young student taking his second gap year, who sends his first love So-yeon a letter after reminiscing about her. Chun Woo-hee is Gong So-hee, a woman who receives the letter in place of her older sister So-yeon, who is ill, and she sends Young-ho a reply with a few rules. Choi Myung-bin as Young Gong So-hee Lee Seol as Gong So-yeon, is struggling with illness and is living a limited life. She is Sohee's older sister. Kang Young-seok as Bookworm, is a man who likes books better than people. He is in a bookstore run by Sohee's mother every day. Lim Ju-hwan as Park Young-hwan, is Youngho's older brother. Lee Yang-hee as Young-ho's father Lee Hang-na as So-hee's mother, She runs a bookstore. Kang So-ra as Soo-jin, is Youngho's motive for re-study. For Youngho, Soyeon is like a 'rain' that gives comfort and comfort, while Sujin is like a brightly shining'star'.
On December 12, 2019, it was reported that Kang Ha-neul and Chun Woo-hee received an offer to appear in the film and both were accepted. Filming began in March 2020. Filming was completed in July 2020.
The film was released on April 28, 2021 on 952 screens. It was the number 1 place at the Korean box office, on the opening day of its release, collecting 29,853 audiences with a cumulative audience of 31,400 including its premiere. It maintained its number 1 spot on its opening weekend with a total audience of 122,261 from April 30 to May 2, 2021, therefore, recording a total of 174,742 admissions. On May 10, two weeks after its release, it reached the 300,000 admissions mark garnering a cumulative audience of 304,780.