A fireball falls into the snow. [*Additional content in the afterword]

[Announcement] I've attached the 'Naro version' promised to you in the afterword. (2024/01/01) ーーーーーーー I invited my older childhood friend to the snow-covered garden in the middle of winter. I wanted to set off fireworks that we had promised to do in summer. Black ash scattering on white snow. With few words, I gaze at the vivid light and him. Unless I somehow suppress this feeling—spreading like a slow-acting poison accumulating and expanding like sediment tightening my chest... This is a submission to the user-initiated project 'Midwinter Fireworks Project' hosted by Ai Sakura. Thank you for your interest. This is also published on Kakuyomu.