Kazuya is at the mercy of his girlfriend's mother, Sae's lewd charm. The female pheromones that overflow from her entire body make his penis unconsciously erect. Sae notices Kazuya's confusion and mischievously closes the distance between them, shaking his rationality. Her plump, ripe body and overwhelming breasts that look like they might burst through her clothes at any moment. And her captivating erotic techniques are all of the highest quality, bringing Kazuya to overwhelming pleasure...