DMM GAMES 'Demon Lord Karin-chan RPG ~Love Princess Nation Building Chronicle~': Demon Lord Karin Becomes a Baby?! 'Yojitaikou Karin-chan' Released! Plus, New Engage Memories Appear!
DMM GAMES announces the release of the April Fool's project video 'Yojitaikou Karin-chan' and the distribution of new Engage Memories for 'Demon Lord Karin-chan RPG ~Love Princess Nation Building Chronicle~'. An 'Original Bib' giveaway campaign is also held.
📋 Article Processing Timeline
- 📰 Published: April 2, 2026 at 03:00
- 🔍 Collected: April 1, 2026 at 18:37
- 🤖 AI Analyzed: April 17, 2026 at 05:22 (370h 45m after Collected)

EXNOA LLC (Headquarters: Minato-ku, Tokyo; CEO: Hiroshi Tojo; URL: https://games.dmm.com/), operating DMM GAMES, announces the release of the April Fool's Day project video "Yojitaikou Karin-chan" and the start of Engage Memory distribution for 'Demon Lord Karin-chan RPG ~Love Princess Nation Building Chronicle~'.
Official Website: https://maoukarinchanrpg.com
Official X: https://x.com/karinchanrpg
■ Overwhelming Baby-ness! "Yojitaikou Karin-chan" Video Released!


Demon Lord Karin, who has been loved for her easygoing and laid-back personality despite possessing immense magical power and the title of "Demon Lord."
This time, she has unexpectedly regressed to infancy!
In the released video "Yojitaikou Karin-chan," Karin's usual calm demeanor is replaced by the lisping speech of a baby.
Seeing the Demon Lord utter "Ongyaa!" and "Babu!" like a newborn infant is an enormous contrast that is sure to bring a smile to your face.
▼【Demon Lord Karin-chan RPG】Yojitaikou Karin-chan【April Fool's Day】
■ Special Engage Memory "Nadenade, Sukiiiiiii!!" Distribution Decided!

By command of the infant-regressed Demon Lord Karin, the development team has decided to distribute a special Engage Memory, "Nadenade, Sukiiiiiii!!" featuring exclusive illustrations.
You can obtain it simply by logging into the game during the period, so don't miss this special opportunity.
Distribution Period: April 6th (Mon) 12:00 PM to May 11th (Mon) 9:59 AM (JST)
■ "Original Bib" Present Campaign to Win for 1 Lucky Person!

To commemorate the release of "Yojitaikou Karin-chan," an original bib giveaway campaign will be held on the official X account (https://x.com/karinchanrpg) for one lucky winner.
This is a special item featuring the illustration from the Engage Memory "Nadenade, Sukiiiiiii!!" that can only be obtained here.
This limited-edition item, filled with the charm of Demon Lord Karin who has "turned into a baby" despite being a Demon Lord, is a must-see for fans.
Application conditions:
1. Follow the official X account (https://x.com/karinchanrpg)
2. Repost the relevant post
Application period: April 1st (Wed) 0:00 AM to April 6th (Mon) 11:59 PM (JST)
■ What is 'Demon Lord Karin-chan RPG ~Love Princess Nation Building Chronicle~'?
It is the legitimate sequel depicting the aftermath of 'Nest-Building Karin-chan - Oracle of the Stars -', featuring real-time summon battles where character individuality shines.
Characters from 'Koihime†Musou' who did not appear in 'Nest-Building Karin-chan', as well as characters from 'Sengoku†Koihime' and 'Souten†Koihime', are scheduled to appear sequentially.
Original character designs and main scenario drafts/writing are handled by the original staff.
■ Click here to start the game!
https://games.dmm.com/detail/maokarin_40202981
■ Game Overview
Title: 'Demon Lord Karin-chan RPG ~Love Princess Nation Building Chronicle~'
Genre: Demon Lord and leisurely nation-building RPG
Platform: PC (browser version, DMM GAMES PLAYER version) / Smartphone (DMM GAMES STORE version)
Price: Free to play (with in-app purchases)
Copyright: ©2024 EXNOA LLC/NEXTON
FAQ
What is included in the April Fool's Day project?
It includes the release of the 'Yojitaikou Karin-chan' video where Demon Lord Karin becomes a baby, distribution of a special Engage Memory, and a giveaway campaign for an original bib.
When is the application period for the present campaign?
The application period is from 0:00 on Wednesday, April 1, 2026, to 23:59 on Monday, April 6, 2026.
What kind of game is 'Demon Lord Karin-chan RPG'?
It's a 'Demon Lord and leisurely nation-building RPG' operated by DMM GAMES, available for free on PC and smartphones with in-app purchases.