Called the “graveyard of detectives”, the Twelfth Section is ridiculed as the “banishment room where hardened detectives who cannot be fired are sent”. Amagi Yu’s (Higashiyama Noriyuki) transfer to the Tokyo Metropolitan Police Department’s mobile investigation unit; Katagiri Masatoshi’s (Yoshida Kotaro) promotion from former section chief to head the Criminal Affairs Division; Yamashita Takumi’s (Kataoka Ainosuke) move to the mysterious unit called the Future Crime Prediction Centre; and forensic science professor Domoto Juntaro’s (Kitaoji Kinya) appearance lead to changes in the environment.