The story is set in Shibuya and follows the main character Ryuhei Oda. When he was in elementary school, he looked up to his kind older brother, until a dreadful day where he witnessed his brother’s mysterious death. Now, Ryuhei is a cheerful high schooler who has gotten over the trauma of that nightmare and spends all his free time kickboxing. One day, he is bitten by a strange creature named Tris, and later that night he has an unusual dream.

With the rumored “Drops” flying through the streets, he must confront his own twisted desires. What he sees beyond that is unimaginable.