After her sister's murder, Nic, her younger sister and two friends seek solace through a Pacific island kayaking adventure. Hours into the trip the women are stalked by a shark and must band together, face their fears and save each other.。"家中经营钓鱼船、总是被欺负的少年幕之内一步,和后来成为世界冠军的鹰村守相遇,开启了拳击的人生。以描写进入鸭川会馆,努力成为伟大拳手的故事。
特色是仔细地描写了同伴与对手间的战斗,成为长期连载作品,是平成时代代表『周刊少年Magazine』的广告牌漫画之一。
各话以「Round.○○」的连续数字作区隔,在Fan Book也以「R109」之类的方式记载。"。