Music has always been Yuichiro's escape from the world, but when he hears someone playing the piano in the music room one day, a blond transfer student he hadn't previously paid any mind to before, why is he suddenly drawn to this person? Maybe music isn't the only thing Yuu cares about after all. MikaYuu.

Shizuo discovers Izaya after he's been missing for a whole year, but he's changed, and not for the better. Something's wrong with him and Shizuo and the others are determined to find out what. However demons of the past come to Ikebukuro for revenge, and slowly reveal Izaya's disturbing past. Meanwhile, group of strange people step in to help-but they aren't exactly human...Shizaya