Invaders of the Rokujyoma!?

Koutarou Satomi's life takes an unexpected turn when his father is relocated for work, forcing him to find a cheap place to live on his own. He moves into Corona House's Room 106 for 5,000 yen a month, but things quickly escalate when he discovers a mysterious cave during his part-time job. That night, various supernatural entities, including Sanae Higashihongan, Yurika, Theiamillis Gre Fortorthe, and Kiriha Kurano, claim the apartment as their own. Each girl has her own reasons for wanting the space, leading to a comedic struggle for control.