AI Chat App "Cotomo" Officially Releases New "Story Mode" Feature
Starley Inc., a company designing new relationships between people and AI, has officially launched "Story Mode" for its AI chat app "Cotomo," which has surpassed 2 million users. This new feature allows users to create, publish, and play interactive stories. To commemorate the launch, various special campaigns, including a story creation contest and X (Twitter) campaigns, are being held.
📋 Article Processing Timeline
- 📰 Published: May 13, 2026 at 03:03
- 🔍 Collected: May 12, 2026 at 18:32
- 🤖 AI Analyzed: May 12, 2026 at 18:45 (13 min after Collected)
Starley Inc. (Headquarters: Minato-ku, Tokyo; Representative Director: Tokuma Maruhashi), a company that designs new relationships between people and AI, has begun offering "Story Mode" as a new feature for its AI chat app "Cotomo," which has surpassed 2 million users.
In conjunction with the implementation of Story Mode, various special campaigns, including a story creation contest and X (Twitter) campaigns, will be held.
What is the new "Story Mode" feature?
This mode is a new feature that allows users to create and publish their own stories, and other users can actually play in that world.
Users can create stories in various genres such as romance, youth, horror, adventure, and mystery, and players can advance the story through dialogue with AI.
A characteristic feature is that the story experience changes depending on the player's statements and choices, allowing for different developments even within the same story.
"Cotomo" offers a unique way to play, providing a new entertainment experience that is not just about 'reading' but also about 'participating,' 'talking,' and 'creating yourself.'
[Overview of "Story Mode"]
New Feature: Story Mode
Mode Details: This is a special mode themed around stories. Users can enter the world of a story and create various developments and endings through conversations with characters and events.
* Only publicly available stories can be viewed and played.
* Featured works will be added and updated sequentially.
Pricing: Normal: 15 candies consumed per response. Limited time: Available for 5 candies per response to commemorate the launch.
Launch Commemoration Benefits: All users who create and publish a story during the period will receive 50 candies.
Additionally, the official Cotomo X account will distribute item codes for 10 candies daily and conduct a hashtag posting campaign.
* The content and duration of these benefits are subject to change or termination without notice.
■ Various campaigns are also being held to commemorate the implementation of Story Mode!
"Story Creation Contest" held
A campaign will be held for works created and published in Story Mode, offering luxurious prizes to the top 3 popular works and participation benefits.
[Participation Benefits]
All participants who create and publish a story during the period will receive 50 candies.
* Private and limited-release works are not eligible.
[Prizes for the Top 3 Popular Works]
1st place: Amazon Gift Card worth 30,000 yen
2nd place: Amazon Gift Card worth 20,000 yen
3rd place: Amazon Gift Card worth 10,000 yen
[Holding Period]
May 7, 2026 (Thursday) - June 7, 2026 (Sunday) 23:59
"Story Mode Implementation Commemoration Campaign" held on X
A campaign commemorating the implementation of Story Mode will be held on X (formerly Twitter).
[Daily Item Code Distribution]
During the period, the official Cotomo X account will distribute item codes for 10 candies daily (scheduled for 14 consecutive days).
[Hashtag Posting Campaign]
Five winners will be selected by lottery from those who post about their self-created stories or their impressions of playing Story Mode with the hashtag "#Cotomoと物語" and will receive an Amazon Gift Card worth 1,000 yen.
[Holding Period]
May 8, 2026 (Friday) - May 21, 2026 (Thursday)
* Item codes announced on May 21 (Thursday) are valid until May 22 (Friday) 23:59.
Special campaign accompanying Story Mode implementation
[Candies required for play fixed at 15 -> 5]
During the period, the candies required to play Story Mode, normally 15, can be enjoyed for a limited time at 5 candies.
Furthermore, 10 winners will be selected by lottery from those who play Story Mode and will receive 3,000 candies.
* Holding Period: May 7, 2026 (Thursday) - Undecided (will be announced separately upon termination)
[50 free messages for self-created stories]
When playing a self-created story, the first 50 messages can be enjoyed for free without consuming candies.
* Holding Period: May 7, 2026 (Thursday) - Undecided (will be announced separately upon termination)
End
About "Cotomo"
"Cotomo" is an AI chat app specializing in daily conversations that grows through interaction with users. Based on the concept of "Things you want to talk about, things you can't talk about," it supports diverse conversation scenarios, from casual chats to悩み相談 (trouble consultations).
In conjunction with the implementation of Story Mode, various special campaigns, including a story creation contest and X (Twitter) campaigns, will be held.
What is the new "Story Mode" feature?
This mode is a new feature that allows users to create and publish their own stories, and other users can actually play in that world.
Users can create stories in various genres such as romance, youth, horror, adventure, and mystery, and players can advance the story through dialogue with AI.
A characteristic feature is that the story experience changes depending on the player's statements and choices, allowing for different developments even within the same story.
"Cotomo" offers a unique way to play, providing a new entertainment experience that is not just about 'reading' but also about 'participating,' 'talking,' and 'creating yourself.'
[Overview of "Story Mode"]
New Feature: Story Mode
Mode Details: This is a special mode themed around stories. Users can enter the world of a story and create various developments and endings through conversations with characters and events.
* Only publicly available stories can be viewed and played.
* Featured works will be added and updated sequentially.
Pricing: Normal: 15 candies consumed per response. Limited time: Available for 5 candies per response to commemorate the launch.
Launch Commemoration Benefits: All users who create and publish a story during the period will receive 50 candies.
Additionally, the official Cotomo X account will distribute item codes for 10 candies daily and conduct a hashtag posting campaign.
* The content and duration of these benefits are subject to change or termination without notice.
■ Various campaigns are also being held to commemorate the implementation of Story Mode!
"Story Creation Contest" held
A campaign will be held for works created and published in Story Mode, offering luxurious prizes to the top 3 popular works and participation benefits.
[Participation Benefits]
All participants who create and publish a story during the period will receive 50 candies.
* Private and limited-release works are not eligible.
[Prizes for the Top 3 Popular Works]
1st place: Amazon Gift Card worth 30,000 yen
2nd place: Amazon Gift Card worth 20,000 yen
3rd place: Amazon Gift Card worth 10,000 yen
[Holding Period]
May 7, 2026 (Thursday) - June 7, 2026 (Sunday) 23:59
"Story Mode Implementation Commemoration Campaign" held on X
A campaign commemorating the implementation of Story Mode will be held on X (formerly Twitter).
[Daily Item Code Distribution]
During the period, the official Cotomo X account will distribute item codes for 10 candies daily (scheduled for 14 consecutive days).
[Hashtag Posting Campaign]
Five winners will be selected by lottery from those who post about their self-created stories or their impressions of playing Story Mode with the hashtag "#Cotomoと物語" and will receive an Amazon Gift Card worth 1,000 yen.
[Holding Period]
May 8, 2026 (Friday) - May 21, 2026 (Thursday)
* Item codes announced on May 21 (Thursday) are valid until May 22 (Friday) 23:59.
Special campaign accompanying Story Mode implementation
[Candies required for play fixed at 15 -> 5]
During the period, the candies required to play Story Mode, normally 15, can be enjoyed for a limited time at 5 candies.
Furthermore, 10 winners will be selected by lottery from those who play Story Mode and will receive 3,000 candies.
* Holding Period: May 7, 2026 (Thursday) - Undecided (will be announced separately upon termination)
[50 free messages for self-created stories]
When playing a self-created story, the first 50 messages can be enjoyed for free without consuming candies.
* Holding Period: May 7, 2026 (Thursday) - Undecided (will be announced separately upon termination)
End
About "Cotomo"
"Cotomo" is an AI chat app specializing in daily conversations that grows through interaction with users. Based on the concept of "Things you want to talk about, things you can't talk about," it supports diverse conversation scenarios, from casual chats to悩み相談 (trouble consultations).