Failures and triumphs, friendship and rivalry... The episode features wheelchair rugby, also known as "murderball" for its ferocity. The characters created by Tetsuya Chiba, the master of sports manga, fight intense battles! Riku Uesugi and Yuuma Himura had previously been on the same rugby team. But when the car that Riku drove was in an accident, both Riku and his passenger Yuuma began their lives with wheelchairs. Riku was in the throes of despair. Then, he discovered wheelchair rugby.