虹をよぶ拳 [Nijioyobu Ken]

A seven-issue series from Akita Shoten published from 1970 to 1977, 虹をよぶ拳 (Nijioyobu Ken) is a boxing manga crafted by the prolific writing of 梶原一騎 and the dynamic art of つのだじろう. This compact but impactful run explores the grit and glory of the ring, a staple genre for its era, with the creative duo bringing their signature intensity to the story. While short-lived, it stands as a notable entry in the sports manga landscape of the 1970s, showcasing the collaborative power of two of the medium's most respected talents.