The story revolves around Kudo Gai, a mischievous 13-year-old all alone in the world. He despises his classmates who live by their free will, although supported by parents, but taking it for granted. Gai soon finds out he is contradicting himself for he is being raised at an orphanage as well, and makes an attempt for independence. His actions lands him in trouble, where he is framed for murder and sent to a place in an unknown location called the "human institute".
Buraiden Gai is finished and has 5 Volumes and 38 Chapters. It is also Known as: 無頼伝 涯, Legend of Outlaw Gai, Gai
Top Manga Like Buraiden Gai [2022 List]
3. Deadman Wonderland

Ten years have passed since the Great Tokyo Earthquake, and the people's memories of the disaster have faded. Ganta Igarashi, a middle school evacuee, has finally begun to live a normal life...That is, until the day "Red Man" appears at his school and Ganta's fate is changed forever. His entire class is brutally murdered, and although innocent of the crime, Ganta is sentenced to death and sent to the bizarre prison known as "Deadman Wonderland." An insane and brutal game of prison survival begins!
Deadman Wonderland is finished and has 13 Volumes and 58 Chapters. It is also Known as: デッドマン・ワンダーランド, Deadman Wonderland
2. Ashita no Joe

Joe Yabuki is a troubled young man who runs away from an orphanage. Wandering through the Tokyo slums, he meets former boxing trainer Danpei. Joe is later arrested and goes to a temporary jail where he fights Nishi, his future best friend and leader of a group of hooligans. He and Nishi then go to a juvenile prison miles away from Tokyo. There Joe meets Rikiishi, a former boxing prodigy, and a rivalry develops between them. They face each other in a match in which Rikiishi dominates Joe until the latter hits him with a cross-counter, resulting in both being knocked out. This inspires the other prison inmates to take up boxing. Joe and Rikiishi vow to fight again.
Ashita no Joe is finished and has 20 Volumes and 171 Chapters. It is also Known as: あしたのジョー, Rocky Joe, Tomorrow's Joe
1. Saikyou Densetsu Kurosawa

44 years old, single, working in a construction company for his entire life. All Kurosawa wants is a little respect from his co-workers. And a little popularity won't hurt. Unfortunately Kurosawa's plans fail miserably from time to time and one day, he finds himself right in the middle of a fight against...delinquent middle schoolers?
Saikyou Densetsu Kurosawa is finished and has 11 Volumes and 90 Chapters. It is also Known as: 最強伝説黒沢, Legend of the Strongest Man Kurosawa, The Legend of a Strongest Man