[Shogakukan Inc.] Shogakukan will enter the online puzzle game market this fall with the release of three titles on the murder mystery chat app “Uzu,” including a game based on “Ura Baito: No Escape.” Shogakukan Inc. Press Release: October 3, 2025 Shogakukan will enter the online puzzle game market this fall with the release of three titles, including one based on “Ura Baito: No Escape” on the murder mystery chat app “Uzu.” The murder mystery “Detective Sid Updike: KOBUSHI CLUB,” in which voice actor Jun Fukuyama plays the detective, goes on sale today, October 3rd!
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https://dps.shogakukan.co.jp/mdms *********************************** ◆ “Underground Part-Time Job: No Escape, Tatsuko’s Mystery”
“Underground Part-Time Job: No Escape” is a horror manga that began serialization on the manga app “Manga One” in January 2020. Yume Kuromine and Kazumi Shirahama, two women seeking a large sum of money for certain reasons, always work “underground part-time jobs.” This popular manga, in which the heroines are constantly put in danger by monsters and humans, has sold over 2 million copies and placed 5th in the Web Manga category of the Next Manga Awards in 2021. This latest Murder Mystery is based on the “Museum Staff” arc from volume 10 of the manga, and terrifying scenes from the original manga appear throughout the game, sending shivers down your spine. The original title of this new Murder Mystery is “The Mystery of Tatsuko.” The story revolves around a portrait of a woman named “Tatsuko,” which pre-war artist Shotaro Uesaka stubbornly maintained as a motif. *The original work and game are works of fiction and have no connection to any real people or organizations. *This game, like the original comic, may have a significant impact on the player’s mind and body. Play with caution and at your own risk. We are not responsible for any damages resulting from this.
https://prcdn.freetls.fastly.net/release_image/13640/3361/13640-3361-fd40e8c83d854fc4853c94cf545c1e70-709×406.jpg Game Title: “Underground Job: No Escape – Tatsuko’s Mystery” Original Story: Shotaro Taguchi Scenario: Bo Character Voice (CV): Release date to be announced on the day of release Number of players: 2 Price: 560 coins (¥800 including tax) Release date: Friday, November 7, 2025 (C) Shotarou Taguchi・SHOGAKUKAN 2025 ☆ A comment from Shotarou Taguchi, author of “Undercover Job: No Escape” This murder mystery game lets you experience the terrifying world of “Undercover Job: No Escape.” We hope you enjoy it to the core. [Comics information]
https://prcdn.freetls.fastly.net/release_image/13640/3361/13640-3361-6bec2a1a6a8bcd6643641eebcc97898b-453×627.png ************************* Secret part-time job: No escape Shotaro Taguchi ************************* Volumes 1-16 on sale now The image shows the cover of the latest volume, Volume 16. Price: ¥715-¥792 (tax included) Shogakukan (C)︎Shotaro Taguchi 2025
https://manga-one.com/viewer/106455 ◆ “Detective Sid Updike: KOBUSHI CLUB” Detective Sid Updike is a psychometric detective with the power to see into the future. Since RAMCLEAR Co., Ltd. released the first installment of the series, “Detective Sid Updike: Slaughter’s Palace,” as a packaged murder mystery in 2019, this popular series has produced five packaged products as of May 2025. This game will be developed by enriching the content of the “KOBUSHI CLUB” series, a prototype of which was released online, by employing popular voice actor Jun Fukuyama to voice the detective character. This marks the first time that a murder mystery game planned and produced by RAMCLEAR has been released on “Uzu.” Detective Sid Updike is an NPC (non-player character).
https://prcdn.freetls.fastly.net/release_image/13640/3361/13640-3361-90bf70446e63f15cd8a7dec14ac8cf70-694×371.png Game Title: “Detective Sid Updike: KOBUSHI CLUB” Scenario: Kagami Miyako Character Illustration: Kano Nika Detective Sid Updike (CV: Jun Fukuyama) Narration: Yuki Amezawa Planning and Production: RAMCLEAR Number of Players: 2 Price: 490 coins (700 yen including tax) Release Date: Friday, October 3, 2025 (C) RAMCLEAR 2025 ◆ “The Old School’s Ghost Murder Case” (Madama’s Murder Mystery Collection) “The Old School’s Ghost Murder Case” depicts a murder that takes place in an old school building where junior high school students sneak into at night. It is a completely original work aimed at beginners, with a screenplay by the VR murder mystery group “Immersive Cloud.” Players can read the game’s introduction and ending in manga-style panels, making it easy to follow even for those who have difficulty consuming large amounts of text. The manga and character design are by Kazuki Oda, the manga artist behind “Secret Society Yarminati” (an anime series co-produced by analytical YouTubers Kirin and Plott), which ran in Bessatsu CoroCoro Comic in 2021. This is the first installment in the Madamada Collection, in which the eerily cute storyteller “Madamada” leads you into a world of the supernatural.
https://prcdn.freetls.fastly.net/release_image/13640/3361/13640-3361-e7b71af2d248b857576210f354356010-694×392.png Game Title: “Old School Ghost Murder Case” (Madama’s Murder Mystery Collection) Scenario: VR Murder Mystery Group “Immersive Cloud” Manga and Character Design: Oda Kazuki Character Voice (CV): To be announced on the release date Number of Players: 4 Price: 280 coins (¥400 including tax) Release: October 24, 2025 (Friday) (C)SHOGAKUKAN 2025 ◆What is the Murder Mystery Call App “Uzu”? “Uzu” is a calling and platform app that lets you easily play Murder Mystery with just your smartphone. With the app installed, you can enjoy deductive reasoning and discussions with Murder Mystery players across the country. The app also automatically handles all the preparations and processes required to play Murder Mystery, from recruiting players to
progressing through the game, so even beginners can enjoy the scenarios with confidence. Currently, over 1,000 scenarios are available. This number is expected to continue to grow.
https://www.uzu-app.com/ ☆Comment from Eitaro Hiraishi, CEO of Sally Inc. We are very pleased that Shogakukan has made a full-scale entry into the digital murder mystery genre and chosen Uzu as the stage for its launch. We are confident that the combination of diverse stories and Uzu’s interactive gameplay will deliver an unprecedented level of immersion to players. Starting with the three titles released this fall, we will continue to collaborate with Shogakukan to develop a variety of titles. We hope you look forward to the new storytelling experiences that only Uzu can offer.