Sinful Summer: A Tale of Forbidden Love – New Version 3.4 [Ruykiru]

Info: Embark on an unforgettable journey with Erik and Lyna, twins entangled in a passionate web of incestuous desires. Set against the breathtaking backdrop of a private tropical island villa, their reunion after a year abroad sparks a fiery exploration of emotions that defy traditional boundaries.
As they tread the line between repressed emotions and mutual attraction, their bond deepens and the pull of their forbidden feelings becomes impossible to ignore. With the arrival of their mother on the horizon, will they succumb to temptation or resist the call of their primal urges? Discover the twists and turns of this compelling narrative through a kinetic visual novel where love, family, and desire intertwine in very interesting ways…

Date: 29.11.2025
Language: English
Version: 3.4
Censored: No

1. Extract and run.

Chapter 3.4
– Story continued: +640 new renders, +55 animations (total of 7 minutes of animated scenes!)
– H-Scenes: +1 mom-son-daughter (long), +1 mom-daughter (very long!), +2 bro-sis
– General improvements:
-> Upgraded Helga and Erik character models
-> Fixed gallery unlock button logic: becomes “unlock all” whenever you’re missing at least one (in new updates for example)
-> Optimized code (most saves broke, sorry! use the chapter select)
-> Remade options menu; much better clarity.
– Developer Accountability Report:
-> Months since project start: ~21 months (Feb 2024 – Nov 2025)
-> Number of total updates released so far: 16 updates
-> Next milestone: Chapter 3.5 (target: ~January)
-> Development challenges: Learning the software to properly make the new AI animations so they don’t look like low effort bad quality slop