Selected Work
Kodomo Manabi App
A Flutter kanji-learning app built for my own children.
Hands-on QA on real devices caught UI bugs automated tests missed — text overflow, and a setting that failed to apply consistently across screens.
Flutter · Dart
Bitelog
A personal nutrition and hydration tracker logged entirely through Discord.
A Next.js dashboard shows macro and hydration rings, goal progress, and 7/14/30-day trends, with CSV export. A confirm step before delete prevents accidental data loss.
Cloudflare Workers · Next.js · D1 · Drizzle ORM · Discord Bot
Journal
Rainy Days and the Fast Approach of Q4
It’s been raining for days in Tokyo. I’m honestly getting a bit tired of it. When the sky stays gray, it’s hard to keep…
Chasing the Morning Light and Closing the Day
The project that kept me busy through early May is finally over. It was a tough one, and my exercise routine completely…
Gallery

Earthy Souls: The Pottery of Yaeyama

Shimokita Soul: Urban Echoes

Shimokitazawa Soul: Street Snap Chronicles
Playground
Small tools built to answer a question I had — weather globes, EXIF readers, AI curation, and a physics table for photographs. 9 of them so far.
Enter the playground →