What is the name of the AI chatbot featuring fitness instructor Marina Takewaki launched on May 20?

The AI chatbot is called the Takemari Chatbot, launched on May 20 within the Calomeal app.

Which companies collaborated to launch the Takemari Chatbot on May 20, 2024?

Life Log Technology, UUUM, and MARINESS collaborated to launch the Takemari Chatbot on May 20.

In which app was the Marina Takewaki AI chatbot launched on May 20?

The Marina Takewaki AI chatbot was launched in the Calomeal health management app on May 20.

What role does Marina Takewaki play in the Takemari Chatbot launched on May 20?

Marina Takewaki is simulated as a fitness instructor in the Takemari Chatbot launched on May 20.

On what specific date did the Takemari Chatbot become available in the Calomeal app?

The Takemari Chatbot became available in the Calomeal app on May 20, as announced by the companies.

A New Experience with Fitness Instructor Marina Takewaki as an AI Companion

Published May 21, 2026 3:00 AM ・ Updated Jun 14, 2026 4:04 PM ・ 4 min read ・ Source: PR TIMES

On May 20, Life Log Technology, UUUM, and MARINESS launched the 'Takemari Chatbot' within the Calomeal health management app, featuring an AI that simulates fitness instructor Marina Takewaki.

Life Log Technology Inc. (Chuo-ku, Tokyo; CEO: Shigeyuki Tanahashi), developer and provider of the diet, exercise, and weight management application 'Calomeal,' in collaboration with UUUM Inc. (Minato-ku, Tokyo; Representative Director and President: Masayuki Umekage) and MARINESS Inc. (Minato-ku, Tokyo; Representative Director: Riku Takewaki), launched the 'Takemari Chatbot' feature on May 20. This AI chatbot feature simulates the characteristics of fitness instructor Marina Takewaki.

Development Background In recent years, with the rise in health consciousness, the use of apps to record and manage diet and exercise has expanded, and Calomeal's user base has exceeded 6.6 million (as of May 2026). However, the difficulty of staying consistent is a challenge shared by many users, and the need for support that encourages daily habits has grown.

In this context, the company focused on creating an 'existence that stays close to users and encourages positive actions.' By combining the communication power of fitness instructor Marina Takewaki, who sends out positive messages daily, with the lifelog data and AI technology held by Calomeal, the company developed a new experience tailored to each user.

Service Overview In this feature, users can converse with an AI chatbot that has learned and replicated the traits of Marina Takewaki within the Calomeal app. Based on the user's chat input and the diet, exercise, and physical data registered in Calomeal, the AI provides communication tailored to individual conditions to support health creation.

Key features include: - Interactive Support: Encourages users with positive words regarding health concerns. - Recommended Training Videos: Suggests optimal content from Marina Takewaki's YouTube channel based on chat content. - Personalized Advice: Provides optimized conversations based on diet and exercise data.

Release Date: May 20, 2026 (Wed) Eligibility: All Calomeal users Usage Fee: Free (Standard: 30 uses/month, Premium: 120 uses/month)

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Source: PR TIMES
Category: New Product

A New Experience with Fitness Instructor Marina Takewaki as an AI Companion

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