![Invaders of the Rokujouma!?](https://image.chilimovie.com/region2/en/300px/20231129/8i6QjMLZPPUVv8XGWyelGCCBBmS.jpg)
After a request from Kiriha, the gang helps out with a local kindergarten hero show. The Sun Squad shows up all of a sudden joining them in the mix. The show ends without incident, but Kiriha disappears and helps with cleaning up the town. Koutarou watches the girls who want to take over the town, but finally tells Kiriha something that's been on his mind. Isn't Kiriha too kind to try to take over the surface?
Yurika protected Harumi, but fell instead. Koutarou takes a sword from Harumi after a strange light engulfs her, but Maki disappears instead. Meanwhile, Theia and Kiriha can't get a hold of them, so they go searching for them. Yurika tells Koutarou about why she became a magical girl, and they decide to head back towards Apt 106. Maki, however, waits for them there...
No one believes Yurika that she's a magical girl. All of a sudden, an evil magical girl, Dark Navy Maki, shows up and transfers into their class. She tries to tell everyone that Cornoa Apt 106 is in danger, but no one listens. Maki is invited to the room for a welcoming party. Yurika decides to fight all by herself to protect everyone after talking to Harumi...
Koutarou and the others fight over their points to try to come up with a idea for the theater club. Theia's the "Silver Princess and Blue Knight" gets picked. Sakuraba Harumi gets picked for the Silver Princess role, and practices with Koutarou, when Theia sees the real princess and knight within them. Meanwhile, Yurika brings a certain something into the apartment...
Sanae is caught by Ghost Hunters and almost sold to someone else.
The fight over room 106 is officially on a cease-fire as they've all received a voucher to travel to an ocean-side resort for relaxation and hot springs. Everyone is excited and they all decide to go buy some swimsuits, but something seems to be going on with Sanae.
The lot continue to fight over the room, and eventually decide to use the inter-club obstacle course marathon as their next battleground. Koutarou and Harumi enter as part of the Knitting Society, along with Sanae. Theia and Kiriha get their underlings and make their preparations.
Kōtarō Satomi decided to live on his own when he began high school, and chose Room 106 of Corona House because it was cheap. Unfortunately, Kōtarō soon discovers that numerous otherworldly and supernatural girls also want his room for various reasons of their own, and aren't about to back down. As a result, Kōtarō and the girls find themselves forced to live together as they try to settle just who ends up with the room.