The Tenchi Academy Festival, where 70% of the exhibits have turned into "Maid Something," has opened! Amidst the bustling crowd of those preparing to steal stars and those enjoying the festival, Hayate's invited child from the Dandelion Garden, Miki, has gone missing...! Initially thought to be lost, it turns out she has actually been caught up in a conspiracy by a mysterious group. What is the group's aim in abducting Miki!? And the situation escalates into a chaotic brawl that shakes the festival to its core――!?