Sakuragi Rino is a high school student. She is good friends with Kiritani Ren, who attends the same high school. Close since their middle school days, Rino has special feelings for Ren; however, she is unable to tell him how she feels. One day, Ren confesses to Rino that he likes her. They begin to date and enjoy their time together. One day, Rino is diagnosed with ALS (amyotrophic lateral sclerosis)
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.
Haruto Asakura falls in love with hairdresser Misaki Ariake and asks her out. Watching Misaki Ariake work hard to achieve what she wants, Haruto Asakura, who almost gave up his dream to become a photographer, begins to pursue his dream again, but Misaki Ariake is diagnosed with a disease that ages her 10x faster than normal.
Minato was studying music abroad, but he came back to Japan after experiencing trauma. He is transferred to a prestigious music university. At the music school, he hears a beautiful song played on the piano and becomes fascinated by the music. The song leads him to meet Yukino, who is playing the piano. He asks her for the name of the song she is playing, but she tells him that it is a secret. Since then, they get close. Minato is able to face his trauma with the piano. One day, Yukino suddenly disappears.
Kosei Arima won numerous piano competitions while under the strict watch of his mother. He was known as the human metronome during that time. Since the death of his mother, Kosei Arima has been unable to hear the sound of his piano. Kosei Arima then meets Kaori Miyazono through childhood friend Tsubaki Sawabe. Kaori Miyazono plays the violin and has a free sprit. Since meeting her, Kosei Arima is able to face the piano again. Meanwhile, Kaori holds a secret.
Snowy Love Fall in Spring starts in 1912, as Emperor Taisho begins his short reign and Japan's upper classes are mimicking the tastes and manners of Europe's aristos. Among them are two children, Kiyoaki Matsugae and Satoko Ayakura.
Even as a child, Satoko had romantic aspirations in her friendship with Kiyoaki. However, her father, wary of the womanizing ways of Kiyoaki's father, fears for his daughter's involvement. He instructs her tutor, Tadeshina, to ensure the girl's heart is not broken.
Even as a child, Satoko had romantic aspirations in her friendship with Kiyoaki. However, her father, wary of the womanizing ways of Kiyoaki's father, fears for his daughter's involvement. He instructs her tutor, Tadeshina, to ensure the girl's heart is not broken.
