The story takes place in Shibuya. Ryuhei had always looked up to his older brother as a child. Even after witnessing his mysterious death, Ryuhei grows up to be a cheerful high school student. One day after his daily kickboxing practice, he is bitten by a strange creature calling itself Tris. That night, an unusual dream bothers his sleep. As the rumored “Drops” circulate around the city, Ryuhei is confronted with a force of twisted desire. What is it that awaits him beyond that?The stage is Shibuya. When Ryuuhei Oda was in elementary school, he admired his kind older brother. Ryuuhei, who witnessed the mysterious death of his brother, is now a cheerful high schooler who doesn’t let the lurking nightmare surrounding faze him. One day, while kickboxing, he’s bitten by a mysterious creature named Tris and has an unusual dream. He confronts his twisted desires as rumored “Drops” fly through the streets. What does he see beyond that?