Unit 8 receives a curious request to win a poker game on a casino built on a floating land. However, their opponent proves formidable, and they are threatened with a missile attack on the city proper if they fail to achieve victory…

A mysterious Willwear, Ulti-maid, appears in the most recent string of incidents in the city. With capacities and performance far exceeding those of Unit 8's Willwear, it becomes a national 5celebrity. Amid rumors that Unit 8 may soon become obsolete, Kuroki invites Sena to a drinking party, where a most unexpected guest appears...