Kiyosumi is a live in manger of an apartment building. He spends most of his time composing & playing music in his apartment. He doesn’t relate well with people and his life is simple. One day, Ushio who lives upstairs from him, greets him. She tells him that she broke up with her boyfriend and she listens to his music every day. Ushio then posts online a video of Kiyoshumi playing his music. Since then, Kiyosumi faces a big change in his life.

Fukagawa Seiji is a high school student with silver color hair. He is free-spirited and fond of painting. He tells people exactly what he thinks, but he also has a mysterious side. His classmate is Niwa Akane. Akane is a model student who always wears a face mask. At first, she doesn’t like Seiji, but she is attracted by Seiji's paintings and his blunt personality. They get close with each other, and they both have their own secret they can’t tell anyone. Adapted from the novel "Yoru ga Aketara, Ichiban ni Kimi ni Ai ni Iku" (When the Dawn Breaks, I’ll Be the First to See You)