Synopsis
A Million Years Later: Subspecies’ Endless Lust Victims
Do the original humans have a future against humanity equipped with new powers like tentacles and absolute impregnation?
■ World Setting
The appearance of the “present” has already been lost, and technology has drastically declined.
The environment is mostly primeval forest and wasteland, where humanity quietly resides.
Facing these harsh conditions, some humans have evolved.
Humans with abilities and bodies different from the original humanity are called “subspecies.”
In contrast, the original humans are called “pure-bloods.”
The “subspecies” collectively abduct pure-bloods and use them as vessels to impregnate with their offspring.
Gradually, the “pure-bloods” continue to decline, and now face extinction.
■ Subspecies Abilities
• Absolute: A species with absolute impregnation ability—100% pregnancy rate through intercourse. Their intelligence seems diminished as a result, appearing degenerate as humans. However, their physical power is enhanced.
• Tentacle: A species whose genitalia move freely like tentacles. Their genitalia are 1-2 meters in length, allowing penetration from any position. Some possess multiple genitalia.
• Slime: Emit an abnormal amount of mucus from their bodies. Viscosity is adjustable, ranging from sticky capture fluids to lubricating sexual secretions.
• Charm: Emit a type of wavelength from their bodies to hypnotize targets. Hypnosis methods vary widely—inducing sleep, arousal, or controlling and commanding bodily freedom.
■ Content
• Erotic voice acting for the girls featuring their moans as they’re violated and filled with semen.
• Various H scenes including assault by subspecies, hypnosis-induced assault by fellow humans, and forced lesbian scenes between heroines.
• System features: Save, load, recollection mode, BGM/SE on/off toggle, text speed adjustment, auto mode, and history display.
• Graphics: Over 90 CG images including variations for H scenes.
Editorial Review
This is a speculative dystopian harem visual novel that positions itself squarely in the non-consensual breeding subgenre, combining worldbuilding ambition with explicit reproductive themes in ways that remain relatively niche even within the adult doujin market. The premise inverts typical sci-fi hierarchies—instead of technologically advanced beings dominating, devolved “subspecies” with supernatural reproductive abilities prey on genetically “pure” humans in a post-collapse setting.
What distinguishes this work is its commitment to environmental worldbuilding alongside sexual content. Rather than isolated scenarios, the narrative establishes a collapsing civilization where evolutionary divergence has created an asymmetrical power dynamic rooted in biological function. The subspecies possess not just tentacle morphology but absolute impregnation mechanics—a 99% fertility concept rarely explored with this mechanical precision in adult games. The hypnosis tag suggests additional layers of cognitive subjugation beyond the physical, implying psychological elements layered into captivity scenarios. The lesbian tag indicates that victimization isn’t gender-restricted, expanding the harem scope beyond typical heterosexual conquest narratives.
This appeals specifically to players invested in non-consensual fantasy worldbuilding where reproductive coercion carries speculative-fiction weight rather than existing purely as isolated fetish content. The combination of dystopian setting, evolutionary sci-fi framing, and systematic subjugation suggests narrative depth alongside explicit material—though the truncated synopsis leaves actual plot execution unclear.
The work occupies genuinely uncommon thematic territory: it’s neither apocalyptic survival romance nor straightforward conquest fantasy, but rather extinction-level sexual predation presented through a pseudo-scientific lens. That specificity is either the work’s strongest asset or its most alienating feature depending on audience tolerance for both extreme non-consent scenarios and speculative biological horror premises.
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Related Tags:
Creampie | Harem | tentacles | Lesbian | non-consensual
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