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
: K17 (often active on platforms like Itch.io and SubscribeStar). Platforms : Windows, Linux, and Mac.
Version 2.2.3 was a mid-cycle update in the game's development history. While specific changelogs for that exact minor version are often archived in developer-only logs or specific save file guides , the general progression during the "2.2.x" phase included: Stepmother Effect [Ongoing] - Version: 2.2.3
: 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
: After a difficult childhood following your father’s departure, you find yourself developing a long-standing crush on your stepmother. The story follows the evolving, often taboo, relationship between the two of you as she balances a busy career at a software company with her home life. is an adult-themed visual novel game developed by K17
: Most versions in this range allowed for the export and import of progress, often found in community-shared save bundles . Technical Details
: Incremental updates to character sprites and lingerie/clothing assets, which are a hallmark of the developer's style. Game Overview : K17 (often active on platforms like Itch
: You play as a 19-year-old male living with your stepmother.