Thanks to Shu and Kisara's efforts, the Anti-Demon Bureau successfully detained Sharon, and peace returned anew to Bayron City. With his companions Mikami and Miles, Shu once again pursues the truth behind the continuous D Hazards that have been manipulated by some entity's volition. They continue compiling deductions to pin down the identity of the "True Agent," who they presume is lurking behind Junya Hanamura, the murdered Demon Agent. At the pinnacle of their deductions, Mikami reaches a certain conclusion and tries to contact Shu in a hurry...
DEMON AGENT MURDER CASE
INVESTIGATION HEADQUARTERS
مقر التحقيق في قضية قتل عميل شيطان
CELLULE D’ENQUÊTE SUR LE MEURTRE
DE L’AGENT DÉMONIAQUE
Sede investigativa
sul caso di omicidio dell'agente dei demoni
Base da 
Investigação do
Assassinato do
Agente Demônio