Trials of interspecies Sisters~Erotic exchange with Humans~

✦ 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...