Voice actor Yuki Kaji produces HAPPY RAT, a voice-chat app with AI characters voiced by popular seiyū. Experience today

Spiral AI Inc. (Head Office: Chiyoda-ku, Tokyo; CEO: Yuichi Sasaki; hereafter “the Company”), engaged in the development of services using AI technologies such as large-language models (LLMs), has carried out a major update of its conversational friend-AI app HAPPY RAT, and released the full version simultaneously in Japan and North America on Thursday, September 25, 2025. Users can enjoy natural conversations in English with AI characters voiced by top seiyū.

Voice actor Yuki Kaji produces HAPPY RAT, a voice-chat app with AI characters voiced by popular seiyū. Experience today

Spiral AI Inc. (Head Office: Chiyoda-ku, Tokyo; CEO: Yuichi Sasaki; hereafter “the Company”), engaged in the development of services using AI technologies such as large-language models (LLMs), has carried out a major update of its conversational friend-AI app HAPPY RAT, and released the full version simultaneously in Japan and North America on Thursday, September 25, 2025. Users can enjoy natural conversations in English with AI characters voiced by top seiyū.

Official Reveal of Survival Horror Game “#from #abandoned” – Website and Promotional Video Now Live!

Astro Production is pleased to announce that official information for our new horror action game, “#from #abandoned” has been released on July 29, 2025


Silicon Studio Launches YEBIS 4, an All-New Post-Effect Middleware Solution

Enhancing real-time CG with live-action-grade optical effects and improved development efficiency

JR Central Tokaido & San-yo Shinkansen Timetable App is Awarded the GOOD DESIGN AWARD 2025

Tokyo, Japan - NAVITIME JAPAN (President and CEO: Keisuke Onishi, Head Office: Minato-ku, Tokyo) has been awarded the GOOD DESIGN AWARD 2025 (operated by the Japan Institute of Design Promotion) for the JR Central Tokaido & San-yo Shinkansen Timetable app, which was developed together with Central Japan Railway Company (JR Central).

“EDO SHOGUN’S LEGACY TRAIL TOUR” to Bring Shogunal Heritage to Tokyo’s Ueno Yanaka Area from November 2025

Participants will enjoy a special viewing of “Eigaku Soryu(Eigaku Twin Dragons) at Kan'ei-ji Temple during its 400th anniversary along with a matcha tea experience and a stroll through the Yanaka Ginza District


Enhancing the Guest Experience at Rockwood Hotel: New Lift Ticket Policy for 2025 Season

To ensure a premium and enjoyable experience for all guests, Aomori Spring Resort will implement a new daily lift ticket cap starting with the 2025–2026 season. 

PETALS TOKYO Celebrates Five Years with Exclusive Four-Day French Dining Experience Aboard Floating T-LOTUS M

(Tokyo, Japan) PETALS TOKYO, the floating art hotel operated by Warehouse TERRADA, will celebrate its fifth anniversary on November 9th (Sun), 2025. 

Most Popular

ABOUT PRESS RELEASE JAPAN

Press Release Japan is part of:

Kartz Media Works, Inc.

Launched in June 2013, Press Release Japan is a Tokyo based business news hub which conveys the latest press releases solely from Japanese corporations directly to you, the international community.