While stranded in a remote, eerie mansion during a sudden downpour, Kotone and her Mystery Club friends find themselves sharing shelter with a group of strangers. Despite Kotone's deep-seated hatred for men stemming from a traumatic past, she becomes the target of Yuuji's aggressive advances. As supernatural undertones emerge, Yuuji manipulates Kotone's emotions and boundaries, leading to a forced encounter that challenges her resolve and awakens conflicting desires.