While Fuufu Koukan contains explicit content, its true genre is psychological horror. The horror is not of the body but of the self. It asks uncomfortable questions:

The work also subverts typical cuckold or netorare (NTR) tropes. In mainstream NTR, there is often a villain or a coercive element. Here, there is no villain. Consent is given. Enthusiasm is present. And that is precisely why it is so terrifying. The tragedy is not imposed from outside; it emerges from the free, joyful exercise of desire. The couples destroy themselves with their own curiosity.

Why the story resonates