Kazuma arrives with his companion Anna at the imposing Kawaharazaki estate nestled deep in the mountains. The elegant mansion projects an air of exclusivity, its residents immersed in their own private world of intense indulgences. Witnessing the household's unusual dynamics awakens unexpected longings in him, drawing him toward a passionate connection with Miyahara Maki. Their mutual attraction signals the start of a disorienting two-day experience marked by hidden desires and unforeseen encounters.