Margaret’s sin (UPDATE 1.1!)

Devlog

• first WIP shots with animation in action
  November 16, 2025 by Sei-ren Publisher

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  Sprites (and more) will be animated, and here’s one of the first WIP shots with animation in action. Things are starting to move!... Continue reading

  
• First CG is here!
  November 10, 2025 by Sei-ren Publisher

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  First CG is here! Mira and Lola are enjoying a meal. Lola’s cooking is top-notch. Soon you’ll get to test her skills not just in the kitchen…... Continue reading

  
• Background for the game the game Project: Home!
  November 02, 2025 by Sei-ren Publisher

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  Before the cleanup and renovation, the kitchen looked like this. Backgrounds for the game are gradually coming together, and in the demo version, you’ll soon be able to help Mira and Lola tidy up al... Continue reading

  
• Sketches for Rivergrain Vale by YunGa Games
  October 11, 2025 by Sei-ren Publisher

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  Hello! Today we will share the character Dolly! To check them out as they're posted - https://discord.gg/D4hHXuvgaS Sketches for Rivergrain Vale by… What emotions do you think our characters will sh... Continue reading

  
• Spoiler sketch — first intimate moment with Lola from the game Project: Home!
  September 21, 2025 by Sei-ren Publisher

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  Hey-hey, Niktarin here! A bit of a spoiler sketch — the first intimate moment with Lola 🌙 For now, it's just a quick sketch of the scene, but it shows the direction the visual part of the game is... Continue reading

  
• 20% Discount on the Game Margaret's Sin!
  September 14, 2025 by Sei-ren Publisher

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  Hello everyone! We want to share some good news! For the next 2 weeks, you can purchase the game "Margaret's Sin" with a 20% discount! You can purchase the game here: Boosty - https://boosty.to/alcyon... Continue reading

  
• Sketches for Rivergrain Vale by YunGa Games
  September 07, 2025 by Sei-ren Publisher

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  Hello! Today we will share the character Buck! To check them out as they're posted - https://discord.gg/D4hHXuvgaS Sketches for Rivergrain Vale by… What emotions do you think our characters will sho... Continue reading

  
• Finished sprites of Mira and Lola from the game Project: Home!
  September 03, 2025 by Sei-ren Publisher

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  It's Niktarin with you! Today I have almost finished sprites of Mira and Lola. They're closer to the final look, and in the game itself, we'll add animations to make their emotions and personalities s... Continue reading

  
• Sketches for Rivergrain Vale by YunGa Games
  August 28, 2025 by Sei-ren Publisher

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  #YunGa Games

  Hello everyone! We're thrilled to announce that in the coming weeks we'll be sharing sketches of character emotions for Rivergrain Vale! To check them out as they're posted, head over to our Discord s... Continue reading

  
• Sketches of the main heroines from the game - Project: Home!
  August 23, 2025 by Sei-ren Publisher

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  Hey, it's Niktarin! Sharing the first sketches of the main heroines, Mira and Lola 💫 So far, just portraits and image searches, but their different personalities are already visible. The game will... Continue reading

  
• Sketches for Rivergrain Vale by YunGa Games
  August 17, 2025 by Sei-ren Publisher

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  Hello everyone! We are very excited to share early concept arts for Rivergrain Vale by YunGa Games! We have been working hard on designing these cute (and sometimes rugged) characters to bring the coz... Continue reading

  
• Game Update!
  July 21, 2025 by Sei-ren Publisher

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  #Release, #update, #sei-ren

  Hello everyone, this is the Sei-ren team! Thank you for your amazing feedback — it really inspired us! We’ve decided to add another bonus sex scene to the game. All builds have been updated, so yo... Continue reading

  
• News About New Projects!
  July 17, 2025 by Sei-ren Publisher

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  Hello everyone, this is Sei-ren! 🎉 We’re thrilled to announce that we’re starting collaborations with new, talented indie devs already working on exciting projects! Here’s what’s coming... Continue reading

  
• Our Discord server is now live!
  July 15, 2025 by Sei-ren Publisher

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  Join for exclusive news and dev spoilers! Hello from our team! 🎉 We’re thrilled to announce that we've launched our very own Discord server! 🥳 You can join it here: https://discord.gg/D4hHXuvg... Continue reading

  
• Our game is now available on DLsite!
  July 07, 2025 by Sei-ren Publisher

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  Hello from the Sei-ren team! 🎉 We’re thrilled to announce that our game is now available on DLsite! 🥳 You can purchase it here: https://www.dlsite.com/maniax/work/=/product_id/RJ01416805.html... Continue reading

  
• Huge Thanks for Your Support and Some Exciting News!
  July 04, 2025 by Sei-ren Publisher

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  Hey everyone, it’s Sei-ren! We’re still pinching ourselves — our Red Book team hit the $12,000 goal! This is such an incredible moment for us, and it’s all thanks to you — our amazing, absol... Continue reading

  
• Our next goal - 12.000$!
  June 26, 2025 by Sei-ren Publisher

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  Dear Friends, We’re thrilled to celebrate an incredible milestone: 1,500 sales and $10,000 raised on itch.io! 🎉 While itch.io doesn’t allow us to adjust our goal to a new target of $12,000, we... Continue reading

  
• A Big Thank You! ❤
  June 21, 2025 by Sei-ren Publisher

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  Thank you all so much! Dear players, we’re absolutely blown away by the incredible support you’ve shown us, and we’re beyond grateful! Words can’t express how thrilled we are that you enjoyed... Continue reading

  
• Margaret's Sin is now released on itch.io, Boosty, and Patreon!
  June 20, 2025 by Sei-ren Publisher

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  #Release

  Dear Sei-ren friends, We’re sad to share that Margaret's Sin won’t be on Steam. As many of you know from our recent posts (linked below), we fought hard against Steam’s decision to ban our game... Continue reading

  
• Release Date: June 20!
  June 12, 2025 by Sei-ren Publisher

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  Hey everyone, we’ve got awesome news from the Sei-ren team! We’re pumped to announce that Margaret's Sin is hitting itch.io, Boosty, and Patreon on June 20, 2025 ! 🎉 The game will be priced at... Continue reading

  
• Release Updates and Our Steam Struggle
  May 31, 2025 by Sei-ren Publisher

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  Hey everyone, Sei-ren here . We’re still in discussions with Steam, but the news isn’t great. We’ve lost all our accumulated wishlists, our original store page, and the demo—none of which will... Continue reading

  
• Steam Banned Our Game, We're Fighting to Get It Unbanned
  May 24, 2025 by Sei-ren Publisher

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  Hey everyone, Sei-ren here. We’ve got some tough news to share. After reviewing our game, Steam has banned our app from their platform, citing a violation of their rules—specifically, the depictio... Continue reading
• Game News and Release Info!
  May 23, 2025 by Sei-ren Publisher

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  Hello everyone! This is the Sei-ren team speaking! 😊 We’re thrilled to announce that we’ve nearly finished adding content to the game and are now focusing on fixing minor bugs and translating t... Continue reading

  
• Korean Language Added
  May 07, 2025 by Sei-ren Publisher

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  Hey everyone, it's Sei-ren here! We’re excited to share that Korean have been added to the demo version! UPD. We did the translation ourselves and would love to know how good it is. If anyone can pr... Continue reading

  
• German and Turkish Languages Added
  May 04, 2025 by Sei-ren Publisher

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  Hey everyone, it's Sei-ren here! We’re excited to share that German and Turkish have been added to the demo version!... Continue reading

  
• 🎉 10,000 Wishlists! Thank You!
  April 20, 2025 by Sei-ren Publisher

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  Hey everyone! We’re thrilled to share that our game just hit 10,000 wishlists on Steam! This means the world to us — and it’s all thanks to your support and excitement. To celebrate, we’ve mad... Continue reading

  
• Margaret’s New Content Teaser!
  March 19, 2025 by Sei-ren Publisher

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  Hey everyone, it’s Sei-ren ! Margaret is too innocent and pure for this place… Should we leave? Here’s a new spoiler art following the game’s story! Are you interested in what’s coming next?... Continue reading

  
• Fresh Dev Updates and a Big Thanks to You Guys!
  February 27, 2025 by Sei-ren Publisher

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  Hey everyone, it’s Sei-ren here! First off, a huge thank you to all our players for the kind reviews and for adding the game to your wishlists! It really means a lot to us. You’re the best! We are... Continue reading

  
• Japanese Language Added
  February 11, 2025 by Sei-ren Publisher

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  Hey everyone, it's Sei-ren here! We’re excited to share that Japanese has been added to the demo version!... Continue reading

  
• Margaret’s New Content Teaser & French Translation Added!
  February 06, 2025 by Sei-ren Publisher

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  Hey everyone, it’s Sei-ren ! We’re thrilled to let you know that the store page and game demo are now available in French! We also wanted to share one of our favorite pieces of artwork featuring M... Continue reading

  
• Spanish Translation Added!
  January 29, 2025 by Sei-ren Publisher

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  This is Sei-ren! We’re pleased to announce that we’ve found a Spanish-language translator! We’ve already prepared a Spanish version of the Steam page, and the demo is now also available in Spani... Continue reading

  
• Our Team is Looking for Translators!
  January 26, 2025 by Sei-ren Publisher

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  Hi there! This is Sei-ren , and the Red Book team wants to thank everyone for the amazing support of our first game! We’re also looking to expand the languages in the game, and we’re on the lookou... Continue reading

  
• First Demo Build!
  January 25, 2025 by Sei-ren Publisher

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  Margaret’s Sin The main character has a chance encounter with his high school crush, Margaret , a newly widowed and deeply religious woman. Despite the beliefs instilled in her, Margarets longs to l... Continue reading