Shimojou Yoshiaki

Daisuke Yazaki is the main character assigned to the Special Investigation Division 1 of the Metropolitan Police Department . He makes full use of the calculation results of his favorite pocket computer and knowledge of microcomputers, and together with the unique detectives, he challenges difficult cases and violent criminals one after another.

Saburo Shiba, a young man who spends his youth idle, is furious when he learns that Akao, who once deprived his father of his sight in a foul, took responsibility and left the boxing world, had set up a boxing gym. Akao's son, Kenji Akao, a thoroughbred boxer, stands in the way of Sabu, who has come to interfere with the Akao Gym match. Sabu challenges Kenji to a fight, but is defeated by Kenji's American-style boxing. He seeks revenge and tries again in kickboxing, but is defeated again. After losing both in a fight and in kickboxing, Sabu began boxing seriously under the supervision of his former boxer father. Meanwhile, he meets Kenji's younger sister, Akao Katori. Hitori starts a ruthless scheme to destroy Sabu, who is burning with revenge, but...? A youthful action romance of a man who lives for love and fistfighting!