Fleur Days Collaboration
2026-06-19 07:28:43

DMM GAMES Launches Special Collaboration Featuring Yato Hebikazaki in Fleur Days and Mugenrou to Nemurenu Chou

DMM GAMES Unveils Exciting Collaboration Event



DMM GAMES, a prominent game developer based in Minato, Tokyo, has announced a special collaboration between its popular titles, "Fleur Days" and "Mugenrou to Nemurenu Chou." The event features a limited-time collaboration gacha mechanism that allows players to obtain exclusive cards showcasing the character Yato Hebikazaki.

Collaboration Details


This collaboration will run from June 19, 2026, at 14:00 to June 30, 2026, at 13:59. The highlight of the collaboration is the debut of the limited-time gacha card featuring Yato Hebikazaki. Notably, when players acquire the collaboration SSR card, Yato will become a permanent partner in their game repertoire, and players will also gain access to a brand new card story crafted by the scenario director of "Mugenrou."

In addition, obtaining multiple copies of the collaboration SSR card will unlock costume changes for Yato Hebikazaki, deeply enriching the gaming experience. The lineup includes:
  • - SSR Card: Yato from Mugenrou to Nemurenu Chou
  • - SR Card: Dream or Reality Yato
  • - SR Card: The Bewitching Guest Yato

Moreover, players who utilize the gacha will receive special June Collaboration Medals, which can be exchanged for tangible goods or used as raffle tickets for giveaways.

Special Campaign Announcement


Alongside the gacha event, DMM GAMES has kicked off a commemorative campaign running until June 27, 2026, at 23:59. Players are encouraged to share screenshots of their gameplay on X with the hashtag #夢幻楼andフルイズSPコラボ_夜刀. Out of the submissions, three lucky winners will receive a special X campaign limited tote bag (black) as a prize.

For further details, fans are advised to visit the official channels provided for up-to-date information on the campaign and events.

Links for More Information:



About Mugenrou to Nemurenu Chou


Developed by a partnership between DMM GAMES and CYBIRD, "Mugenrou to Nemurenu Chou" is a free-to-play romance simulation game set in a fantasy brothel. The game allows players to immerse themselves in romantic encounters with a variety of mystical beings. Additionally, for players seeking more intense narratives and artwork, the adult-themed version titled Mugenrou to Nemurenu Chou - Ura is available, enhancing the experience while keeping true to the characters' allure.

Product Overview:


  • - Title: Fleur Days
  • - Genre: Life Support Game for Daily Improvements
  • - Platforms: Smartphone (Browser, App Store, Google Play)
  • - Price: Free to play with optional purchases
  • - Publisher: EXNOA LLC
  • - Developers/Operators: CYBIRD and Liber Entertainment

Notable Voice Cast:


  • - Akihiro Eguchi
  • - Yohei Azakami
  • - Shogo Sakata
  • - Takayuki Kondo

About CYBIRD


Founded in 1998 during the dawn of mobile internet in Japan, CYBIRD has remained at the forefront of entertainment content development, focusing predominantly on mobile platforms. They manage numerous highly-engaging games, particularly within the popular Ikemen Series, which boasts over 45 million users worldwide.

Company Name: CYBIRD Inc.
Headquarters: Shinagawa, Tokyo
CEO: Takayuki Nagashima
Established: September 29, 1998

About Liber Entertainment


Liber Entertainment manages a diverse range of social games and mobile applications, including Ai★Chuu, A3!, and more. Their name, inspired by the ancient Roman deity of productivity and abundance, reflects their aspiration to create creative entertainment solutions that enrich users' experiences.

Company Name: Liber Entertainment Inc.
Headquarters: Chiyoda, Tokyo
CEO: Kotaro Hayashida
Established: September 26, 2006


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Topics Entertainment & Media)

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