These days, the kira☆kira girls Tsugumi, Ayaka, and Chika went missing after saying they were going on a trip. Their mothers Nana, Chihiro, and Reiko came to a certain rural hot spring inn 'Himitsu-Yu Inka Mitsuraya' relying on scant information. They had also requested E-BODY investigators to search for their daughters, but those investigators had gone silent after heading to this inn. At the inn, the beautiful landlady Chisato greeted them, and Nana and the others immediately began searching for their daughters. However, the inn concealed a depraved plot beyond imagination...
