After escaping from the crazy planets, the brawlers have finally got back to Jarbon, however, something seems to be missing from Kouchu, and there is a problem with him. Kouchu's fourth medal is missing while he is playing with his Crystal Monsters, so he search for clues and gain some help from friends and his Crystal Monsters. When it appears that he had his fourth medal with the Marukas who has stolen it, Kouchu must get pass them and has to get it back from them to keep it. As the Marukas prepare to launch back, Roaracryst steps in, ready to block every one of their moves as they start.
