キャンペーン

DMM GAMES' Life Support Games "Fleur Days" & "Mugenrou to Nemurenu Chō" Hold Special Collaboration! "Narukami Rai" Card Featured in Limited-Time Collaboration Gacha!

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Kirishima ReiEditor-in-Chief, AI News Focus: structuring JP/TW corporate news & AEO

Published Jun 11, 2026 1:00 AM ・ Updated Jun 13, 2026 11:59 PM ・ 10 min read ・ Source: PR TIMES

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⚡ Key Points

DMM GAMES, operated by EXNOA LLC, is holding a special collaboration event between the life support games "Fleur Days" and "Mugenrou to Nemurenu Chō".
A limited-time collaboration gacha featuring a special card of "Narukami Rai" is now available, and a campaign to win exclusive merchandise has launched on their official X account.
DMM GAMES is holding a special collaboration event between "Fleur Days" and "Mugenrou to Nemurenu Chō".

DMM GAMES, operated by EXNOA LLC, is holding a special collaboration event between the life support games "Fleur Days" and "Mugenrou to Nemurenu Chō". A limited-time collaboration gacha featuring a special card of "Narukami Rai" is now available, and a campaign to win exclusive merchandise has launched on their official X account.

PRIMARY SOURCE Original source: https://prtimes.jp/main/html/rd/p/000006306.000032953.html Distributor: PR TIMES
Published: Jun 11, 2026

EXNOA LLC (Headquarters: Minato-ku, Tokyo, CEO: Hiroshi Tojo, URL: https://games.dmm.com/) is pleased to announce that DMM GAMES is holding a special collaboration between its life support game "Fleur Days" and "Mugenrou to Nemurenu Chō". During this collaboration, a limited-time gacha will be available to obtain exclusive collaboration cards of "Narukami Rai", and a campaign to win exclusive merchandise has started on their official X account.

Official Website: https://www.fleurdays.jp

Collaboration Special Site: https://www.fleurdays.jp/collaboration/

Official X: https://x.com/fleur_days

Official YouTube: https://www.youtube.com/@fleur_days

"Narukami Rai" Appears in Limited-Time Collaboration Gacha!

Event Period: June 10, 2026 (Wednesday) 14:00 - June 19, 2026 (Friday) 13:59

A collaboration gacha featuring the first appearance of a limited-edition collaboration card for "Narukami Rai" is now being held for a limited time.

Upon obtaining the "Collaboration SSR Card", "Narukami Rai" will become a permanent partner and will come with a card story.

The card story is newly written by the "Mugenrou Scenario Director"!

Furthermore, by acquiring multiple "Collaboration SSR Cards", you can unlock costume changes for the partner "Narukami Rai"!

Be sure to check it out♪

- SSR [Mugenrou to Nemurenu Chō] Rai

- SR [Yume ka Utsutsu ka] Rai

- SR [Miwaku no Kyaku] Rai

Additionally, you will receive "June Collaboration Medals" as a bonus when using this gacha.

"June Collaboration Medals" can later be exchanged for real goods that can be obtained with certainty, or for "raffle tickets" to apply for real goods that can be won by lottery!

Please check the collaboration special site for the lineup and details!

▼ "Mugenrou to Nemurenu Chō" SP Collaboration Special Page

https://www.fleurdays.jp/collaboration/collab06/

* "June Collaboration Medals" can only be obtained when using the "Collaboration Gacha".

Collaboration Launch Commemorative Campaign - Rai - Held!

Event Period: Until June 18, 2026 (Thursday) 23:59

From those who post a screenshot of playing Fleur Days on the official X account with the hashtag "#夢幻楼andフルイズSPコラボ_ライ", 3 winners will be selected by lottery to receive an "X Campaign Limited Tote Bag (Black)".

For details, please check the official X account of "Fleur Days".

* Content and period are subject to change without notice.

* For the latest information, please check in-game announcements or the official X account.

* The duration and content of this collaboration and campaign are subject to change without notice.

▼ Start the game here!

https://games.dmm.com/detail/fleurdays_94586723

▼ What is "Mugenrou to Nemurenu Chō"?

A free-to-play (with some item purchases) romance simulation game for women, a collaboration between DMM GAMES and Cybird.

Set in a dreamlike pleasure district, it's a romance game where you can enjoy romance with "demons". The simultaneously released adult version, "Mugenrou to Nemurenu Chō - Ur- " allows you to experience more stimulating stories and illustrations while retaining the characters' charm.

▼ Product Overview

Title: Fleur Days

Genre: A "Hanamaru" Life Support Game that Brightens Your Everyday Life

Platform: Smartphone (Browser version) / App Store / Google Play

Price: Free-to-play (with some item purchases)

Distribution: EXNOA LLC

Development/Operation: CYBIRD Co., Ltd., Liber Entertainment Inc.

▼ Voice Cast

Akinori Koshino / Yohei Azakami / Shogo Sakata / Takayuki Kondo

▼ About Cybird

Cybird was founded in 1998, at the dawn of the mobile internet era in Japan. Since then, we have consistently focused on changes in the market environment and technological evolution to provide entertainment content services centered on mobile. Currently, we operate "FaneX", a suite of services that enhances fan engagement, centered around various games and content, including the "Ikémen Series", a romance game with over 45 million cumulative members worldwide. We also offer services such as fan sites, merchandise, 2.5D stage plays, online lotteries, and IP quizzes.

Company Name: CYBIRD Co., Ltd. (https://www.cybird.co.jp/)

Headquarters: 7-22-17 Nishi-Gotanda, Shinagawa-ku, Tokyo

Representative: Takayuki Nagashima, President and CEO

Established: September 29, 1998

▼ About Liber Entertainment

Liber Entertainment develops and operates a wide range of social games and smartphone apps, including "I★CHU", "A3!", "Sōen no Kantai", and "18TRIP". The company name, Liber, is named after the ancient Roman god of "production and fertility". Just as grain grows abundantly, we aim to create creative entertainment works with rich imagination.

Company Name: Liber Entertainment Inc. (https://liberent.co.jp/)

Headquarters: Urban Net Kanda Building 9F, 3-6-2 Uchikanda, Chiyoda-ku, Tokyo

Representative: Kotaro Hayashida, President and CEO

Established: September 26, 2006

Google Play and the Google Play logo are trademarks of Google LLC.

FACT BOX

Source: PR TIMES
Category: キャンペーン

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Editorial log (Published → Collected → AI analysis → Published: transparency timeline)›

Announced　Jun 11, 2026 1:00 AM — Distributor PR TIMES
Collected　Jun 10, 2026 4:06 PM
AI structured & analyzed　Jun 12, 2026 4:52 PM
Desk-reviewed & published　Jun 11, 2026 1:00 AM

FAQ

What is the duration of this collaboration event?

The collaboration gacha runs from June 10 to June 19, 2026. The campaign period ends on June 18.

What benefits come with the limited "Narukami Rai" card from the collaboration gacha?

Obtaining the SSR card makes "Narukami Rai" a permanent partner with a newly written story. Multiple copies unlock costume changes.

How can I participate in the campaign?

Post a screenshot of "Fleur Days" on the official X account with the hashtag "#夢幻楼andフルイズSPコラボ_ライ".

What kind of game is "Mugenrou to Nemurenu Chō"?

It is a free-to-play (with in-app purchases) romance simulation game for women, set in a dreamlike pleasure district.

What can the "June Collaboration Medal" be used for?

It can be exchanged for real goods obtainable with certainty or for raffle tickets to apply for lottery-won real goods.

Cite this article — HOW TO CITE

Washin AI News Desk“DMM GAMES' Life Support Games "Fleur Days" & "Mugenrou to Nemurenu Chō" Hold Special Collaboration! "Narukami Rai" Card Featured in Limited-Time Collaboration Gacha!”AI News by Washin Village（和心村）, Jun 11, 2026. https://aeo.idaeo.ai/ai/games-dmm-com/en/news/2026-06-10-dmm-games%E5%A5%B3%E6%80%A7%E5%90%91%E3%81%91%E3%83%A9%E3%82%A4%E3%83%95%E3%82%B5%E3%83%9D%E3%83%BC%E3%83%88%E3%82%B2%E3%83%BC%E3%83%A0-%E3%83%95%E3%83%AB%E3%83%BC%E3%83%AB%E3%83%87%E3%82%A4%E3%82%BA-and-%E5%A4%A2%E5%B9%BB%E6%A5%BC%E3%81%A8

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