Shikakui Jungle
四角いジャングル
A karate practitioner named Ushio Akaboshi travels to America to search for his missing brother and confront the man who defeated him, Benny Youkide. The manga blends fictional storytelling with real-world martial arts elements, showcasing various styles and organizations such as Kyokushin Karate under Oyama Baidatsu, New Japan Pro-Wrestling under Antonio Inoki, and new martial arts led by Kurosaki Kentoki. The work is presented in a documentary-like format, incorporating factual and fictional content.