Keisuke Tadara, a police officer working at a police station, is a serious and reliable person working at a police station in a shopping street. However, Tadara has a past that no one knows and a face behind it, that is, a liar K who specializes in picking up targets that the law cannot punish! In the past, Tadara was a detective in the second investigation section, responsible for hunting down a large-scale fraudster. Why did he wear a liar's mask as a policeman? What is the past hidden behind that? Going beyond the law, deceiving bad guys, and even deceiving the police who have become his own family, Tadara's real purpose is to...