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Writingby KADOKAWA and Hatena

RIKU

Name: RIKU
Author: KADOKAWA and Hatena

Free

AI-powered support for novel writing.

RIKU is an AI-assisted tool aimed at enhancing the novel writing process. Developed by KADOKAWA and Hatena, RIKU offers writers AI-based suggestions, edits, and creative prompts, designed to streamline the writing of novels and improve creativity and productivity. The tool is currently in a testing phase with applications open for testers.

Who it's for

novelistscreative writerswriting enthusiasts

Use it for

— Improving novel drafts
— Generating creative prompts
— Editing and refining text

Get the most out of it

01Join the tester program to provide feedback and influence features.
02Utilize AI suggestions to overcome writer's block.
03Experiment with different genres to see how RIKU assists in various writing styles.
04Use the tool to brainstorm plot ideas and character development.
05Leverage the editing features to enhance language and style.

In the news

KADOKAWA and Hatena Launch AI Support for Novel Writing with New Service 'RIKU', Call for TestersITmedia AI+ (Japan) · Jul 30, 2026

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The Directory

AI Tools

New launches tracked daily — what they cost, who they're for, how to get the most out of them