Nitta Tatsuo

Daidai Mankichi is a poor young man who aspires to be an artist and makes a living by drawing portraits on the streets of Harajuku. His life is difficult, but he does his best with the emotional support of his girlfriend, Hoshiko. One day, as Mankichi is about to go home after finishing his work, he receives a call from a strange old man on his cell phone. Mankichi pays no attention to the situation, but in the evening he receives a visit from a young woman he doesn't know. The woman calls herself the wife of the old man who called Mankichi...!?

This manga depicts the life of Shizuya Kondou, a man who designs underwear by day and is "don" of a gang at night.

This manga depicts the life of Shizuya Kondou, a man who designs underwear by day and is "don" of a gang at night.

A man carrying a black attaché case arrives at the school, where even the teachers are terrified. The man's name is Tetsuo Kuroiwa. He is commonly known as "Big Magnum Kuroiwa Sensei''. His age and background are unknown. His name is not on the national list of teachers. The roar of the Magnum reverberates through the School of Violence today as well!! Eros and violence emitted by Tatsuo Nitta, the "Silent Don.''

A mother was so saddened by the death of her beloved dog that she named her newborn son after her beloved dog. Koro Kinoshita, who is worried about his girlfriend's name, is a troublesome student at Tamaishi Academy Junior High School. However, due to the death of Koro's father, Hideyoshi Kinoshita, a big name in Japanese politics and business, Koro inherits the most powerful position in Japan. Koro uses the power and money he inherited from his father to turn Tamaishi Academy into a harem, but then the boss of Ankoku Academy and the son of a Japanese underworld don, Ankoku Menkichi, declares war...!

The Silent Don has returned to modern-day Korea! The quiet man has another face— Jo Yongde, who works in the product development department of a cosmetics company, is clumsy and constantly failing at everything he does, making him an annoyance to those around him. Even when he gives a presentation in front of the company president, he only ends up making a fool of himself, leaving his manager and colleagues exasperated. The only one who warmly reaches out to him is his teammate, Sear. However, Yongde has another identity—he is the only son of a crime syndicate leader who controls the underworld. After his father is murdered, he takes over as the head of the organization. Yet, despite everything, Yongde continues to go to work at the company as if nothing has changed. What is he really thinking…?

Tetsuo Kuroiwa is a special teacher who belongs to the First Special Guidance and Education Division under the Ministry of Education, and is authorized by the Minister of Education to use firearms. This man, whose age and background are all unknown, travels from school to school, punishing problematic students and teachers! As long as there are students in trouble there, Kuroiwa will be assigned anywhere!