Portfolio · 2020–2026 Tokyo, JP

Marsel
Bait.

Product designer in Tokyo. Four years leading design at Enjin, now at Miraidukuri Company. On the side, shipping MCP servers and agent-native tools published to npm.

Based in Tokyo, Japan
Visa Engineer visa (Japan)
English TOEIC 970 · Fluent
Availability Open to conversations
Selected work

Six projects.

Projects
  • Rippr

    YouTube transcript extractor for AI agents. MCP server and Chrome extension. No API keys, three output formats.

    2026
  • Japan UX MCP

    Japanese web UX conventions as callable tools. Forms, typography, keigo, seasonal context. Ten tools, ten prompts, nine resources.

    2026
  • Rakuten MCP

    Read-only search tools for Rakuten Ichiba, Books, and Travel. Built for personal use, published unofficial.

    2026
  • The Seer

    A bilingual astrology PWA. Swiss Ephemeris precision, oracle tone, four profile types.

    2026
About

Seven years building products and brand systems in Tokyo.

Four years leading product design at Enjin as the sole designer across three verticals: Career, Forum, and Community. Ran user interviews, built a full component library, and designed end-to-end from information architecture to shipped UI.

Currently at Miraidukuri Company, a Tokyo cultural-tourism company, leading brand and web work.

On the side, shipping AI-native tooling. Five MCP servers published to npm with 2,000+ monthly downloads, growing. Two Chrome extensions. Four web apps. All designed and built with AI-assisted development.

Currently Visual Designer, Miraidukuri Company Tokyo · since 2024
Previously Product Designer, Enjin Inc. Tokyo · 2020–2024
Education M.A. Media Design, Keio University B.A. Visual Communication, UP Diliman
Certifications Claude Code in Action · AI Fluency Agent Skills · Generative AI · Google UX
Languages English · TOEIC 970 · fluent Filipino · Bahasa · Japanese conversational
Tools Figma · Adobe CC · After Effects · Claude Code · Midjourney

Product design is not about aesthetics. It is about judgment. What to build, what to cut, what to leave alone.

Get in touch