Seizô Katô

The story begins in 1629 Kanagawa during Tokugawa Tadanaga's rule. The daimyo staged a tournament where the participants fought with traditional weapons rather than bokken ("wooden sword"). The story revolves around the first match between the one-armed swordsman Fujiki Gennosuke and the blind samurai Irako Seigen and deals with the circumstances that led the two to participate in Tokugawa's tournament.

Kumiko "Yankumi" Yamaguchi enters Shirokin Gakuen Private School to become a math teacher. She's assigned as the homeroom teacher for class 2-4, populated by a gang of delinquents. At first, the class tries everything to rattle her cage, but to no avail. In a short period of time, Yankumi gains the respect of the class. But what the school doesn't know is that she's the heir to the Oedo Group, a powerful Yakuza clan. So while Yankumi struggles to excel in her career as a teacher, she must also keep her Yakuza background a secret

In this anime, Shin'ichi Kudou is a high school student and a famous detective at the same time. He has helped the police solved many crimes. One day, he is poisoned and transformed into a 6 year old boy. Fearing those who have poisoned him might come after him knowing that he is still alive, he hide his identity and begin a new life as Conan Edogawa, a name based on the famous author Sir Arthur Conan Doyle.