Kikuchimonji the III has been popular with everyone recently. Whether in the classroom or with the female mechanics, Kiku-chan has been the attention of everyone's eyes. However, Mi-kun starts feeling neglected and eventually runs away. Mao becomes depressed by the tank's disappearance, but is forced to leave for another mission without it. While Mi-kun ponders whether it's ready for the scrap yard, the girls face a giant crab alien. It has already disable Hayate in a mountain of bubbles. Sylvia makes a remark that this alien is "rather ugly" which enrages the crab and begins chasing the girls, eventually trapping them in suds as well. Meanwhile, while Chinami is distracted by the sight of the alien's successful attack, Yuriko spots Mi-kun brooding by itself. She gives a quick pep talk of how she wants to help, but can't and reminds Mi-kun that it still has the ability to defend the girls if it wants to.