Waiting for Spring (2018)

Both movies have a shy, wallflower FL and popular ML.
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Both are based on sports manga. Both star Tao Tsuchiya as the lead heroine. Both are very similar........................................................................................................................................................................

Both are a FL who becomes close to a group of four guys. Both feature at least a triangle in the romance storyline.

Both are a FL who becomes close to a group of four guys. Both feature a triangle in the romance storyline.

Both are a FL who becomes close to a group of four guys. Both feature a triangle in the romance storyline.

A friendship theme that center in high-school with 4 hot, popular and good-looking boys with great chemistry and real bromance among them.

Rainbow Days focus on how they help one of their friend to get the girl he like at school, and also with their own personal issue and love stories.

Waiting For Spring center on all 4 most popular boys in basketball team trying to befriend with a girl who shy and reluctant to make friends. Plus another hot guy from another basketball team who like the female leads.

Masaki is about to move to the U.S. with his parents, much to the dismay of five girls who all like him in different ways. Tomboyish Takako always gives him a hard time; Haruna is a childhood friend; Alisa has fancied him since a shopping trip in nearby Shibuya; Naoko is still readjusting after a long spell in the U.K.; and Yumi likes practicing basketball with him at night. All wonder who his "special girl" is, but Masaki isn't saying.

Both are set in school and centered around sports. Both have the concept of childhood friends, with one returning after a long time only for the other to discover they are a different gender. One is fantasy, the other is not, though.

Miyu and Shuya are high school students. They have dated for 2 years. Miyu and Shuya have a promise that no matter what, they will watch a movie together on the first day of each new month. When Miyu and Shuya are on their way to the movie theater, Shuya suddenly cancels their date. Shuya seems like he is hiding something and he acts nervous. Later, Miyu goes to the place where she is supposed to meet Shuya, but she witnesses Shuya getting into a car accident. She panics, but when she wakes up she finds herself on the morning of the accident. Miyu keeps waking up on the day when Shuya got into an accident.

Well-meaning but socially awkward, Kuronuma Sawako is nicknamed "Sadako" by her high school classmates because of her similar hair style with the main character from the horror movie "Ring." She doesn't have friends and goes about her day in quiet. She admires a fellow classmate, Kazehaya Shota, because of his easy-going and friendly nature, but unknown to her, Kazehaya has also been paying attention to her.

The same actress plays as the female lead, but waiting for spring is more romance than friendship. They both have strong summer feels to them despite both taking place during school.

Both movies are set in school and have a shy FL who becomes friends with the most popular boy(s) in school.

Both movies are set in school and have a wallflower FL and a gentle-hearted ML.
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Both movies have a shy wallflower FL and a popular ML who has past trauma.
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