Sister Efner, falling into Darkness because of the Futanari Succubi

Sister Efner, falling into Darkness because of the Futanari Succubi, is an immersive anime-style game where you'll witness Ephnel's descent into corruption at the hands of seductive futanari succubi. Dive into a world of temptation and dark desires.

Gameplay & Mechanics

Explore animated 2DCG scenes as Ephnel interacts with various monster girls, leading to group sex encounters and multiple endings based on your choices. Corrupt Ephnel further by indulging in her carnal desires, unlocking new animations and story branches.

Key Features

• Animated 2DCG scenes featuring big tits, big asses, and futa/trans characters
• Multiple endings influenced by player choices and corruption levels
• A variety of monster girls with unique personalities and preferences
• Engaging voice acting and Japanese game styling

Download and play Sister Efner, falling into Darkness because of the Futanari Succubi now on Gaxload.