CHIEROCHIERO Inc.JPART & APPS
Formulas, words and everyday tools.
Things to read, touch and try for yourself.
Kurage — 40,000 points, moving through mathematics.
01 / MATHEMATICAL ART
O-FEST 2026 Official Selection ↗
Each point is defined by its relationships. Reduce their number and a creature’s form begins to disappear. The mathematical formula keeps moving, unchanged.
Experience TOKOYO ↗APPS FOR EVERYDAY LIFE
Write. Listen. Reflect on relationships.
New web apps, born from curiosity.
Write a little. Untangle a feeling.
An AI journal for thoughts about work, people and everyday life. Put feelings into words, then revisit your entries to notice patterns over time.
Explore Hodoku ↗Japanese interface · First 7 entries free
Hear the person you want to become.
Describe a scene you hope for, edit the words until they feel right, and listen in an AI-generated voice. Personal affirmation audio for imagination and reflection.
Explore Sonosaki ↗Japanese interface · First audio track free
Try the free writing worksheet (Japanese) ↗The feelings left unsaid, in a book of your own words.
Love, friends, colleagues and family. Answer six questions to make a free card about what matters to you. Add experiences and feelings to create a small book and letter you can edit and save as a PDF.
Explore Relationship AtlasJapanese web app · Free card, no registration · Books from ¥980 including tax
02 / EVERYDAY PREPAREDNESS
A free app for checking household emergency supplies and maintaining a rotating stock. Start with what your own household needs.
Open Bousaicle ↗Japanese interface. Supply data stays on your device.
03 / STORIES ON THREADS
Imagine a place as a person.
History, culture and everyday life begin to show another face.
Japanese-language stories. The series title does not imply all 47 stories have been published.
04 / AI & EXPRESSION
Unexpected animal forms and movements, created with AI.
Publish, observe the response, and bring it into the next work.
KEEP IN TOUCH
New work and everyday experiments on social media.
Longer reflections on note. Posts are mainly in Japanese.