Brawl.Matsui Hiroshi, of Nogi Publications, is raging that Yamashita Kazuo is taking 10 days of paid vacation followed by a request for annual leave. At his home, Yamashita has left spending money for his son Yamashita Kenzo, the secret president of Under Mount Inc., and talks to him through his door, saying he is leaving for a 10 day business trip. Arriving at the boats to the Kengan Annihilation Tournament, Yamashita and many others are sent to a frigate rather than the luxury cruise ship, there for the preliminary "battle royale" fight in order to enter the main tournament. However, when Akiyama Kaede brings Tokita Ohma some water, the gate closes behind her and she becomes trapped in the battle royale area...