Sinful Summer: A Tale of Forbidden Love [Ch.3.6] – Download | Ruykiru

1- Extract to desired location.
2- Click on “Game.exe” to start playing.

(22/May/2026)
Chapter 3.6
– Story continued: +1104 new renders, +59 animations
– H-Scenes: +1 mom-son-daughter, +1 mom-daughter (divided in 3 parts, biggest scene in the game so far!) This update is mostly focused on lesbian incest content. If you were waiting for more mom-son content, do not worry, that is what 3.7 is for
– General improvements:

• Removed ageplay choices, because that spicy dialogue is now the default. Fuck censorship. And fuck the puritan governments and companies full of boomers that can’t tell apart fiction from reality.
• Fuck them harder, because I also added a new type of fantasize button (optional) that will explore even more extreme taboo fetishes.
• Reintroduced pin-ups: 5 new high-resolution scrollable renders this update.
• Made my own anti-censorship website sinfulsummer.com for future news, purchases and previews of my taboo visual novels. Added links everywhere including main menu.
• Unified platform releases: PC and Mac are now a single package. Slightly larger download, one file covers both platforms. Normal and SuperHD versions remain separate, the latter for paid subscribers only. Mac and Android users: please read and follow the “How to Run” guide on my website or check the “README – How to Run” included inside the zip.
• Discontinued the official Android version, I won’t release it more. Alternatively, wait for porters to port the VN. I don’t like Android because porters keep making versions even if I make an official one so my time feels wasted, also I have to compress files too much and my beautiful renders look ugly. Android users can play the official PC package via JoiPlay: install JoiPlay and its RenPy plugin (both free, latest from joiplay’s patreon ->here), extract the PC zip in your phone, +add the exe in JoiPlay, done.

 

(15/Feb/2026)
Chapter 3.5
– Story continued: +614 new renders, +16 animations
– H-Scenes: +1 mom-son-daughter (extremely long!)
– General improvements:

• Nothing of note. But as a sneak peak, I’ll mention that update 3.6 will be a very long and awaited lesbian scene, update 3.7 will have a big story event and a really special mom-son moment, and 3.8 will be the climax of the chapter.

 

(29/Nov/2025)
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

(23/Sep/2025)
Chapter 3.3
– Story continued: +363 new renders, +27 animations, +5 songs
– H-Scenes: +1 mom-son (very long!), +1 bro-sis
– General improvements:

• Added “Unlock All” button to the scene gallery.
• Updated Helga’s skin textures for the body, face and nipples. She looks more MILFy now 
• Improved character lighting for the new scenes, Sinful Summer has never looked better!
• Changed rendering method for the new animations, they are true 60fps now!
• Replaced itch.io link in the main menu with f95zone link after my account was deleted. Fuck censorship!

– Developer Accountability Report:

• Months since project start: ~19 months (Feb 2024 – Sep 2025)
• Number of updates released so far: 15 updates total
• Next milestone: Chapter 3.4 (target: ~November)
• Development challenges: This world full of puritans keeps censoring ART and FREE speech… But I won’t give up. My ban from itch.io, and possibly future bans in other platforms will just motivate me to make FICTIONAL incest novels even harder now!

 

(31/May/2025)
Chapter 3.2
– Story continued: +460 new renders, +7 spicy animations, +9 songs
– H-Scenes: +1 mom-daughter (main focus, very long!), +1 mom-son-dau
– General improvements:

• Added the transitions skip setting to the options.
• Changed the dialogue font to be more readable.
• Fixed display issues for the gallery in all versions.
• Reworked use of italics and quotes.
• Erik is no longer British (he doesn’t say “Mum” anymore lol)

– Developer Accountability Report:

• Months since project start: ~16 months (Feb 2024 – May 2025)
• Number of updates released so far: 14 updates total
• Next milestone: Chapter 3.3 (target: ~July)
• Development challenges: Working on lesbian scenes is hard because I’m always hard when I do

 

(27/Apr/2025)
Changelog for 3.1:
– Story continued: +400 new renders, +14 spicy animations, +7 songs
– H-Scenes: +1 mom-son (main focus, very long!), +1 bro-sis
– General improvements:

• Added the accessibility settings menu to the options.

– Developer Accountability Report:

• Months since project start: ~14 months (Feb 2024 – April 2025)
• Number of updates released so far: 13 updates total
• Next milestone: Chapter 3.2 (target: ~late May)
• Development challenges: Motivational dips managed after a month-long vacation (I didn’t charge the existing subs a single penny)

(15/February/2025)
Chapter 2.7
– Conclusion of Chapter 2.
– Story continued: +858 new renders, +40 spicy animations, +9 songs including 1 new music video with custom lyrics
– H-Scenes: +3 bro-sis (one is long awaited one!), +3 mom-daughter, +1 mom-son-dau. (Don’t worry, mom-son will get plenty in Chapter 3)
– Enhanced the flow of the story in chapter 1 and up to chapter 2.6:

• Total narrator lines went down drastically 1100 -> ~550! Some were very unnecessary with the visuals on screen, and I’m only keeping most now to enhance the erotic scenes.
• More focus on thoughts and new dialogues. For example, Erik is the one introducing the family now.
• Reduced the length of some monologues and made some dialogues a bit more natural/casual.

– General improvements:

• Remade 140 renders and 2 animations for day 1-2 of the story.
• Completely remastered 35 music tracks from the original soundtrack, including the ones with custom vocals.
• Normalized all sounds to try to reduce the ones that were too loud or quiet. Stick to my recommended audio range and adjust your device as needed.
• Optimized file size and format for all versions (normal, android, superHD). Version 2.7 has better quality than 2.6 but similar size!

– Important change for Android version (2.7.1): saves are now external, and kept on the device even after uninstalling. Find them inside “Documents->RenPy_Saves” (also allow file permission on 1st start of the app for this).

(16/November/2024)
Chapter 2.6
– Story continued: +574 new renders, +11 songs
– H-Scenes: +1 bro-sis (very long!), +1 for mom-son, +1 mom-daughter, +1 mom-son-dau
– Removed +100 lines from the narrator during many scenes of early chapter 1. Replaced with either nothing, or new thoughts/dialogues. Reason: “show, don’t tell” (Expect more tweaks/reworks for chapter 1 in the future, because I was still a noob back then, sorry :3)

(11/October/2024)
Chapter 2.5
– Story continued: +820 new renders, +9 animations, +6 songs
– H-Scenes: +1 for mom-son, +1 mom-daughter, +1 bro-sis, +1 mom-son-dau, +big time skip (with lots of teasing!)
– Added a chapter selection option after clicking ‘Start’. In case you got issues with saves or need a fast skip.
– Added the ‘Jukebox’ to the main menu to listen to all the tracks from the game.
– Added the changelog tab to the menu, with all the version change notes.
– Improved the official Android version with swipe gestures and a better interface.
– Scene replay gallery has an infinite scrollbar now instead of numbered pages, and it is sorted by version.
– Rewrote the chapter 2.3 phone conversation with Lyna’s friend (much shorter and Lyna doesn’t fully reveal the forbidden relationship with Erik).

Changelog for 2.4 (16th August 2024)
– Day 12 & 13 of the story: +573 new renders, +7 animations, +7 songs
– H-Scenes: +3 for mom-son, +1 mom-daughter, +2 bro-sis.
– Added a “fantasize” button that appears sometimes for bonus renders. Only for some NEW scenes from now on.
– Made text outlines a bit thicker for improved readability.

Chapter 2.3 (12th July 2024)
– Day 9->12 of the story: +487 new renders, +9 animations, +11 songs, +more sex sfx, and around ~3100 script lines (higher number=more dialogue/text).
– Remade ~100 renders from day 1-3 with chapter 2 quality (might do more in the future).
– Text format changes + colors for character dialogue and thoughts.
– Reduced file size for all versions (normal, android, superHD).
– Tweaked early chapter 1 to have less verbose narrations and a bit more focus on character thoughts.
– Removed the option to rename the characters. This is a multi-protagonist story, there’s not one single MC.

Chapter 2.2 (5th June 2024)
– Day 8 of the story: +557 new renders, +9 animations, +18 songs, +3000 script lines.

Chapter 2.1 (5th May 2024)
– Helga (the mom) is here! Chapter 2 begins.
– Day 7 of the story: +312 new renders, +8 animations, +9 songs, +1800 script lines.

Chapter 1.5 (12th April 2024)
– Conclusion for Chapter 1.
– Day 6 of the story (and a bit of 5 & 7): +347 new renders, +6 animations, +8 songs made exclusively for the game, +1 music ‘video’ with custom lyrics, +1700 script lines.
– Added a different phone conversation interface depending on the character.
– Lyna received some nipple surgery (redid some renders too)
– Fixed some text display issues in the Android version.

Chapter 1.4 (29th March 2024)
– Day 5 of the story: +333 new renders, +6 animations, +13 songs, +1500 script lines.
– Remastered around 30 intro renders and 10 Helga renders for character consistency.
– Added phone interface for future conversations that use phones. I went back and used it for the first pool conversation with Helga that wasn’t showed before.
– Remade main menu.

IMPORTANT: This is not a harem power fantasy, please kindly leave the thread if you are just here to complain about that. I’m trying to create something different and engaging were family relationships actually play a part and are not there just as labels. You are always welcomed to simply ignore the game if it’s not your cup of tea.

ABOUT MULTI-PROTAGONIST: Erik is NOT the MC, all three characters are the protagonists (Lyna, Erik, Helga), so it’s not my fault if you struggle to understand the son in particular because you decided to identify as him. The game has many dialogues and internal thoughts from a POV perspective, but it’s also a kinetic novel so there’s no choices and the omniscient narrator is prevalent throughout the story. The son is and will be the only male involved, the mother is divorced, and the 3 banner characters (MFF family) are the only participants for future tags. There won’t be any other men. (So there isn’t NTR, don’t ask)

ABOUT FEEDBACK: This is my first project so constructive, non-hateful, criticism is greatly appreciated. If you are just here to complain then I suggest you give a read to the compelling analysis and reviews that many posters have made about the game already, clearly showing that this is not the usual incest visual novel, so don’t come expecting the usual tropes repeated ad nauseam.

ABOUT LESBIAN: There will be lesbian scenes in chapter 2 onwards between mother and daughter only where the son is not directly involved. I don’t think that as cheating or whatever you want to call it because, again, both Lyna and Erik are the protagonists of my story. However, if you disagree and don’t like that stuff, then I politely invite you to just ignore the game and don’t complain in the thread when those scenes are eventually added.

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