Asuka Yukihira (Alice Hirose) is 28 and works at the reception desk for a music school. She hears that her high school will soon be abolished and decides to attend a school reunion held at her high school. There, Asuka Yukihira meets Haruto Mizuno. Asuka Yukihira liked Haruto Mizuno when they were high school students, but she never conveyed her feelings to him. Asuka Yukihira and Haruto Mizuno talk during the school reunion and they learn that they both had feelings for each other and they still feel the same way. Asuka Yukihira is ecstatic, but, the next day, an unexpected tragedy strikes Haruto Mizuno. That leaves him in an unconscious state.—AsianWiki

Music school receptionist Asuka Yukihira (Alice Hirose) attends her high school reunion and reconnects with Haruto Mizuno (Gordon Maeda), her old crush. To her delight, she discovers Haruto has also harbored feelings for her all these years. They begin to date, eager to make up for lost time and resolve past misunderstandings. However, tragedy strikes when Haruto is hospitalized and falls into a coma. Asuka remains steadfastly by his side, reflecting on their past while grappling with an uncertain future. Will Haruto recover, allowing them to reclaim the love they almost lost, or is it already too late?—Rakuten Viki

Yukihira Asuka works in a local music school. One day, she attends her high school class reunion and reunites with Mizuno Haruto, her high school crush. They begin dating but an unexpected tragedy strikes when Haruto becomes unconscious and in critical condition.—DramaWiki

Inspired by the song by HY, this drama is an original love story in which Yukihira Asuka, a 28 year-old receptionist decides to attend a school reunion because the high school she attended is closing down. There she reunites with Mizuno Haruto, a classmate she once confessed to on graduation day. 12 years on now, they end up dating, but an unexpected tragedy strikes and Haruto falls into a coma. While she stays by his side in the hope for his recovery, Asuka starts reminiscing about the days she had spent with Haruto and her classmates.—Drama-Otaku