Stepmother Effect is a sissification porn game with real pics and video, written by K17. This game is a continuation of the "Stepmother Re-Program" game by Sissyboinewbie and K17.
Take the role of a young man who's living with his hot stepmom and struggles with an addiction to porn and masturbation...
The game has multiple outcomes, each involving sissification/femdom/shemale scenarios.
Updated to version 2.3.5 on October 2nd 2023