is an adult-themed visual novel game developed by K17 . As of current updates, the game has progressed past Version 2.2.3 (reaching as far as Version 2.6.3 as of January 2026). The "Ongoing" tag indicates it is still in active development with regular content additions. Game Overview
: Incremental updates to character sprites and lingerie/clothing assets, which are a hallmark of the developer's style. Stepmother Effect [Ongoing] - Version: 2.2.3
: The game is currently in a much later build (v2.6.3), so players using v2.2.3 are encouraged to download the latest version for the most complete story content. Stepmother Effect [v2.6.3] By K17 - pc-game - itch.io is an adult-themed visual novel game developed by K17
: The game focuses on domestic drama, romance, and adult-oriented situations, frequently utilizing detailed visual art to depict its characters. Version 2.2.3 Specifics Game Overview : Incremental updates to character sprites