The Quartzers, calling themselves the Wardens of Time, appear after Sougo Tokiwa has collected all of the Heisei Era Ride Watches. A grand conspiracy behind the birth of the King of Time becomes ever clearer...
Has the world suddenly split into four? Keiwa Sakurai, Neon Kurama, Michinaga Azuma, and Tsumuri are flung into different worlds. And for some reason, a different Ace exists in each of the four worlds. The cause seems to be from the "World Doomsday Game" started by the staff from the future. In light of this crisis, the mysterious Cross Geats appears. Just what will happen to Ace and his friends?
The OhgerCrown, the proof of kingship owned by Gira Husty, has been stolen by the Tylerian Donking, a member of the Alienizer gang, and his servant Ihab. Gira and Prince join a battle fight to retrieve the OhgerCrown, the prize for winning the battle fight. Prince wins steadily, but when he meets a boy who is determined not to lose in order to save his sister, he senses something is wrong.
