"Have you heard of Summer Ghosts?"

Tomoya, Aoi, and Ryo are high school students who met through the Internet. The urban legend of the Summer Ghost is that it is a ghost of a young woman who appears when fireworks are lit.

Tomoya is unable to step out into the life he wants. Aoi is unable to find her place in the world. Ryo's bright future is suddenly closed to him. Each of them has their own reasons for meeting the Summer Ghost. On a summer night when life and death intersect, where will each of their thoughts go to?

Ever since the death of someone important to me, I’ve been living recklessly. After I became a high school student, there was a girl in my class who remained hospitalized due to “luminescence disease.” This disease is named for the fact that the bodies of those who suffer from it glow faintly when exposed to moonlight, and that glow becomes stronger as their time of death draws closer. The girl’s name is Watarase Mamizu.

After learning that she doesn’t have long to live, and there are things that she wants to do before she dies…

“Will you let me help you with that?”

“Really?”

As this promise was made, the time that had frozen for me began moving again