The Mole Song: Undercover Agent Reiji

Reiji Kikukawa, a justice-driven rookie with the lowest grades in police academy history, finds himself dismissed from his constable position by the Police Chief under the guise of disciplinary problems. However, this seemingly unjust termination is a ruse designed to plunge him into the dangerous world of the Yakuza as an undercover agent. Tasked with infiltrating the criminal organization, Reiji must navigate treachery and deception while proving his worth in a high-stakes game of loyalty and survival.