Suzuri Kanna is married to Suzuri Kakeru. After 15 years of marriage, Kakeru suddenly dies in an accident. Prior to the accident, their marriage was going through difficulties and they were on bad terms with each other. Now, Kanna is about to start her new life. At that time, she obtains a way time travel through time. She travels to the past and she meets young Kakeru, right before she met him for the first time. Seeing the younger Kakeru, she realizes that she loved him and she falls in love with him again. She decides to save him from his death that happens 15 years later.
When Kosuke was 14 years old, his mother died. As a young gay person, he spent his adolescence in a rural village and suppressed his feelings. Now, Kosuke is all grown up and he works as a fashion magazine editor in Tokyo. He meets Ryuta, who works as a personal trainer. Ryuta's mother raised him alone and he is close to his mother. Kosuke and Ryuta become attracted to each other and they sometimes spend time with Ryuta's mother. Kosuke is happy to share time with Ryuta and his mother, which makes him remember his late mother. Kosuke and Ryuta make an appointment to go for a drive together, but, on that day, Ryuta does not show up.
