Screenshots
Watch trailer on Steam ↗Trials of interspecies Sisters~Erotic exchange with Humans~
瀧壺チャンネル · Published by 072 Project, 072 News · Official site ↗
Content notice: The game contains non-consensual acts, sexual harassment, hypnosis, interracial intercourse, sex trafficking, and BDSM.
Very Positive — 83% positive (132 reviews) · 5 achievements
Last updated 7 Oct 2026
After the war, in order to resolve the conflicts between races, nuns from the nonhuman races were sent to human territories for cultural exchange. However, what awaited them there was a road of no return leading to decadence——
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Price history
Indie, RPG, Casual · 2025 · More £5 - £15 games
Explore a world where nonhuman nuns engage in erotic exchanges as part of cultural diplomacy post-war. Experience an intimate indie RPG that blends casual gameplay with complex narratives.
About this game
✦ Summary ✦
Nun exploration RPG.
It's been half a century since the war between human and the Nonhuman Alliance.
The rift between human and nonhuman races remains deep.
Therefore, in order to deepen their relationship with humans, the Nonhuman Alliance decided to send nuns to human towns for cultural exchange.
"Erika" and the other protagonists who were dispatched will gradually lose themselves in happiness during their erotic exchanges with humans.
✦ Characters ✦
▼ Protagonist ▼
Erika (CV 星野天)
An energetic and gentle girl. But she is not very good at using her brain.
Basically, she believes in crossing the bridge when she gets there.
▼Sub heroine ▼
Marielle (CV 麦咲輪紫葵)
She is the head nun who leads the nuns in the church, and is also the teacher of Erika and Funiru.
Although she likes her husband very much, she has not had sex for decades after marriage, so she is quite sexually frustrated.
She is very concerned about her inverted nipples.
Funiru (CV 琴香)
Erika's childhood friend. Although she is afraid of trouble, she becomes very impulsive when Erika is involved.
Slightly hates humans.
✦ Various H events for the protagonist! ✦
▲Their breast milk cannot stop, so let the humans milk them!
Came using their nipples because it felt too good!
▲Offer pussy to a stranger because of hypnosis.
Pussy getting toyed to squirting!
▲Unconscious pussy play via sensory deprivation holes!
Orgasm from the accumulated pleasure!
▲Roped up BDSM as the pussy getting trained!
Crying and begging for orgasm!
✦ Multiple H scenes from the sub-heroines! ✦
▲Laying eggs!
Pussy laying eggs while having an orgasm!
▲Erotic Massage Development
✦ Information ✦
・Estimate play time: 3 to 4 hours.
・Multiple endings.
・Recall mode/H event full unlock button.
・Sound effects.
・Dub (CV 星野天) (CV 夢咲みるく) (CV 麦咲輪紫葵) (CV 琴香)
・Live2D animation is fully dubbed.
System Requirements
Will my PC run this? →Minimum
- OS *: Windows® 7/8/8.1/10/11
- Processor: Intel Core2 Duo or better
- Graphics: DirectX 9/OpenGL 4.1 capable GPU
Recommended
- OS *: Windows® 7/8/8.1/10/11
- Processor: 2+ GHz Processor
- Memory: 4 GB RAM
- Graphics: OpenGL ES 2.0 hardware driver support required for WebGL acceleration. (AMD Catalyst 10.9, nVidia 358.50)
- Storage: 4 GB available space
Supported Languages
Latest news
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