Manga by Ryohgo Narita, Suzuhito Yasuda and Akiyo Satorigi.
Mikado Ryuugamine and Anri Sonohara begin their second year at Raira Academy, but the peace of Golden Week does not last long. Their junior wants Mikado's time, a mysterious girl is after Shizuo Heiwajima, and Izaya Orihara is seeking petty revenge after being left out of past events. A new year with new trouble begins for the residents of Ikebukuro.