Video Game Data

A curse wipes out monsters on Monmusu Island, leaving only Neko, Usagi, and Ushi. To save the island, they summon an outsider—an ordinary, perverted but inexperienced human MC—to help restore normalcy.

Developer: Pjoy Games

Publisher: Siluman Soft

Release Date: May 21, 2026

Genres: Casual Indie Simulation

Tags: 2D Anime Base Building Building Casual City Builder Crafting Creature Collector Fantasy Hentai Hidden Object Idler Management Nudity Relaxing Romance Sandbox Sexual Content Simulation Singleplayer

Reviews: 11 (Followers)

Followers: 334

Price:
USD: $2.99

Platforms: Windows

Languages: English

Steam Achievements: 20

Estimated Sales: $1,646

Estimated Wishlists: 4,008

Monmusu Island on Steam

Categories: Family Sharing Single-player Steam Achievements Steam Cloud