This is the first non-live-action film featuring Yamazaki Kento. From what I can tell there isn’t any source material.
After the loss of her boyfriend, Yoon Ji-Ho (Hyomin) comes to Japan as an exchange student to heal. She meets Yamaguchi Kaede (Shimizu Kurumi) a quiet girl who reminds her a lot of herself. When she finds out that she is in love Nomura Yusuke (Yamazaki Kento), Ji-Ho tries her best to get them together.
I love this movie and the actors. The chemistry between the actors and it was nice seeing Yamazaki in a new type of role. I also love that Hyomin was part of the cast because I love when actors from different countries worked together.