Concise Game Reviews: Trials of Interspecies SistersErotic exchange with Humans (Scroll down for the longer version) Game Value: ✅ Highly recommended for players seeking a corruption-focused adult RPG packed with variety, multiple heroines, and a staggering number of H-scenes across countless fetishes. Trials of Interspecies Sisters follows Erika, a catg…
Trials of interspecies Sisters~Erotic exchange with Humans~
Erika, the naive catgirl nun, embarks on a cultural exchange that spirals into a world of unrestrained lust and depravity.
As she and her companions navigate the treacherous human town, they unlock over 95 erotic scenes that push the boundaries of their innocence.
With a staggering variety of fetishes and immersive Live2D animations, this RPG invites you to explore the dark side of interspecies relationships like never before!
$15.99
(USD)
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Take a look at what's happening in Trials of interspecies Sisters~Erotic exchange with Humans~
Reviews Summary
Players are raving about the sheer variety and quality of the erotic content in 'Trials of Interspecies Sisters,' praising its extensive range of fetishes and high-quality CG artwork.
The straightforward gameplay and lack of combat make it accessible, though some wish for deeper mechanics and more voice acting.
Overall, it's a hit for those seeking a corruption-focused adult RPG experience.
100%
Based on 16 reviews
The Good
- Extensive variety of fetishes
- High-quality CG artwork
- Simple, accessible gameplay
- Multiple endings for each heroine
The Bad
- Limited gameplay depth
- Mosaic censorship in animations
- Mostly partial voice acting
- Static dialogue order
The Horny
- Over 95 erotic scenes to explore
- High-quality, hypersexualized character designs
- Diverse fetishes including BDSM and lactation
- Immersive Live2D animations enhance experience
Top rated reviews
✍️Overview Trials of Interspecies Sisters ~ Erotic Exchange with Humans ~ is an RPG exploration game that is exactly what the title says. In this game, three sexy, well-endowed, semi-human nuns (a cat girl, a dragon girl, and a mature elf) travel to a human city to work in a church and try to build relationships between the two species. Their goal is to en…
Beast/elf nuns gradually corrupted through “cultural exchange” in a human city Erika the catgirl, Funil the tanned beastgirl, and Marielle the married elf nun are dispatched to a human city, where they gradually fall into pleasure in this corruption-themed RPG. Battle elements are light; the focus is on exploring city districts, unlocking events, and enjo…
Game Details
From the developer
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——
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.
Kink Breakdowns
Interracial
The game explicitly involves interactions between human and nonhuman characters.
Female x Female
The game features female characters engaging in sexual acts with each other.
Hypnosis
The mature content description includes hypnosis.
BDSM
The mature content description includes BDSM elements.
Lactation
The game features scenes involving breast milk and milking.
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Horniness scale
Each game gets a score from 1 to 5 hearts. Higher means more explicit adult content.
| Score | What it means |
|---|---|
| 1 | Raunchy / softcore — suggestive themes, light fanservice, or mature humor; little or no on-screen explicit sexual content. |
| 2 | Spicy but restrained — clear adult intent (nudity, strong innuendo, or brief suggestive scenes) without sustained explicit focus. |
| 3 | Clearly adult — recurring sexual content or nudity as a meaningful part of the experience, but not the sole focus of the game. |
| 4 | Strongly explicit — graphic sexual themes, extended explicit stills or text, or gameplay built heavily around adult situations. |
| 5 | Explicit and often animated — graphic sexual content that is frequently animated or interactive; core to what you see and do in the game. |
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