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.
Kyoko, a young woman with an unhindered spirit despite being physically bound to a wheelchair due to illness, and Shuji, a stylish and popular fashion magazine hairstylist, are brought together in a fateful traffic incident. Despite their confrontational meeting, they soon find themselves falling in love, with Shuji drawn to her courage and enthusiasm and Kyoko attracted to his ability to look beyond her physical limitations and into her heart. However, Kyoko's protective older brother and her worsening condition begin to test the bounds of their love for each other and threaten to end their beautiful life together.
Takuma, a boy who is told he will die before he's 20, and Mayu, a girl who is in love with him. After Mayu learns of Takuma's grave illness and that he will die before he turns 20, she continues to support and love Takuma. On the other hand, Takuma, who knows his days are numbered, pushes away his feelings for Mayu and distances himself from her. He cannot stand to see her cry or hurt her more than he already has. Then Mayu meets another man who has feelings for her, and Takuma meets a woman who has the same illness, and their feelings for each other begin to waver. This movie adapatation stars Okada Masaki & Inoue Mao.
