As the fourth episode unfolds, Kengo finds the recurring visions growing more intense and immersive, drawing him further into a mysterious domain inhabited by animal and plant-like women. Encounters with bizarre creatures escalate, leaving him with pressing questions about the realm’s purpose and his own role within it. The separation between his ordinary life and these nocturnal experiences begins to blur, hinting that the boundary may soon dissolve entirely. He is left to confront what this deepening connection could mean for his reality.