An incident causes Yutaro's soul to leave his body. As he searches Koraikan for a way home, he catches a glimpse of the female tenants' panties, leading to unspeakable disaster on earth! Why?!

Having failed in her requested exorcism, Rabura is feeling down. Meika has an idea to cheer her up. Meanwhile, a strange scream comes from hermit Ito's room.

Ito is beginning to suspect who Mikatan really is. Mikatan tries desperately to hide the truth. Meanwhile, a mysterious man, Miyazawa Kenji, invades, and Meika's true identity is also revealed.

Learning about the change in the meteor's trajectory and everything Yūta has gone through, Meika concocts a plan to launch all the world's ballistic missiles at the meteor as it comes within range, tasking Yūta with protecting Korai House from anyone trying to stop her from doing so. On the day before New Year's Eve, Meika is reluctant to let the others, who had eavesdropped on her, help out with the operation, stating that Mikatan will die if she Über-fies one more time. However, the others remain determined to help, forming the Justice Punch team together. Come New Year's Eve, the operation begins, with Yūta and Mikatan protecting the Korai House from armed forces under the influence of the Qmay group. When Guriko arrives with a team of Ws, along with the U.S. Army whose leader is possessed by Tsubouchi, Ito takes up a mech to hold off the army while the Spirit Yūta possesses Rabura to assist Yūta and Mikatan.

With thirty minutes left on the clock, Guriko infiltrates the Korai House and heavily damages Meika, putting a stop to her hacking. As Yūta faces off against Guriko, Rabura manages to stop Tsubouchi and exorcise him, allowing Ito and Meika to finish the hacking and launch the missiles and destroy the meteor. Meanwhile, Mikatan decides to activate her power to stop Yūta and Guriko fighting. Before Mikatan is killed by the side effects, Yūta switches bodies with her, returning Mikatan back to Chiyoko's body while he passes away in hers. 49 days later, the Spirit Yūta bids farewell to the others before going back in time to accomplish what he needs to do for a bright future.