Gota Nakaido is a detective based at the Minatomirai Police Station in Yokohama, Kanagawa Prefecture, Japan. Prior to joining the police force, he spent 8 years working as a high school Physical Education (PE) teacher after graduating from university. His decision to become a detective stemmed from his determination to combat the negative influences that lead students astray. Although Gota aspires to receive a promotion, he faces challenges due to his struggles with academic studies. However, his passion lies in apprehending criminals, and nothing brings him more joy than when victims express their gratitude for his efforts in catching wrongdoers.