Altius Link (formerly KDDI Evolva)•Active
Translation Specialist
live app
A browser-based way to send files to someone nearby without uploading them first.
01 / 05Launch video (57 s, sound on)
WebDrop sends files to a nearby device straight from the browser. Devices find each other over WebSocket, prove they are close with ultrasound, motion or a QR code, then connect over WebRTC. The server only sets up the connection, and the file goes device to device.
Pick a person on an orbit-style radar instead of typing a code.
Ultrasound and motion confirm the pair, with a short-lived QR fallback.
256 KB chunks, a SHA-256 manifest, retry, and files up to 500 MB.
Writes to OPFS, IndexedDB, StreamSaver or memory, whichever the browser supports.
An offline shell, plus mock peers for testing without a server.
Find a nearby device, confirm it is close, exchange connection details, then stream chunks straight into the receiver's storage.


I'm a full-stack developer and a third-year Information and Communication Technology student at Tokai University, graduating in March 2028. I want to work as a Forward Deployed Engineer or AI Engineer, owning a product end to end: designing the architecture, building it, and shipping it to production alongside the people who use it.
I'm comfortable working with LLMs, agent workflows, tool calling, and secure MCP integrations, alongside production apps built with TypeScript, Python, Swift, Node, AWS, and React. I work in English and Japanese, with JLPT N2 business-level Japanese.
Translation Specialist
Front Desk Associate
Immigration Specialist
Watch films and series together across countries, with every viewer in sync at their own best quality.
Reads a 100-page annual report, finds the few pages that matter, and returns a checked balance sheet.
Nearby file sharing in the browser, with proximity checks and direct WebRTC transfers.
A bilingual app for finding internships and keeping every application in one list, on the web and on iOS.
A leader model plans the work as a task graph, and a scheduler runs parallel worker agents through it, with a native macOS app on top.
A study workspace where you ask a PDF questions by typing or talking, and every answer cites its page.
A bilingual Tokai University student app that reads the TIPS portal: timetable, syllabi, grades and credits.
Things I make for other builders: skills that teach an agent a workflow, and an SDK that is on its way.
Folio is a felt teacher who lives in a live 3D world. The Folio SDK will let anyone build their own Folio world and lessons.
An agent skill that explains any topic twice: a short answer in plain English, and one web page with big pictures and very few words. The example explains how Video Bridge works.
I write about the things I build and learn. Browse all of my posts on my Qiita profile.
Small isometric scenes, rendered live in WebGL and dithered like pixel art. No images or video. Pick one and watch them play.

Feel free to reach out through any of these platforms