Episode 4

Miraculously taking one from Amachi (Kasamatsu Sho), under the guidance of Tokiwa (Sanogake) and his master Amachi, Aoba (Kimura Keito) took the first step as a Grappler.The groups for the MMA Koshien qualifiers have also been determined, and in Aoba's area, there is also a karate high school champion Yuzuru Yuma (Okubo Haru) who goes to school in the same dojo as Kenshin (Tsubaki Taiga).

In order to get as close as possible to their dream of defeating Kenshin, Aoba and Iwase (played by Shin Hasegawa) looked for Hazuru's weaknesses and prepared for the competition.On that day, Aoba successfully defeated Aoba as a result of training, but he had an asthma attack... Can he defeat Hazuru, who has an overwhelming gap in fighting experience?