hoshino

Welcome to hoshino’s Pages

🌐 English · 日本語

Hi there! I’m hoshino (a.k.a. 921starfish).

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📽️ Projects

• Unit for Luau – A minimal Unit type implementation for Luau

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📰 Articles

Zenn

All my Zenn articles are written in Japanese. Where an English version exists, the links below go to Zenn’s AI-generated translation (?locale=en), which may contain errors.

Published on the ambr Tech Blog (ambr, Inc.)

Zenn hasn’t generated English versions of these yet, so the links currently open the Japanese originals. The titles are my own translations.

• From Web Engineer to Roblox Creator
• Running Windows Apps at Scale with Lua + AWS
• Setting Up a Roblox Dev Environment in VS Code (Rokit + Rojo + Wally) – Also Works with Cursor
• readonly (read) Has Been Added to Luau
• PR Reviews with Claude, Codex & Copilot

Published on my personal account (AI-translated by Zenn)

• Released Unit for Luau
• Internal Implementation of Unit for Luau
• I Attended the Functional Programming Festival 2026
• Scrap: Unit Type in Luau (in Japanese)

note

For now, it only has reposts of my Zenn articles (in Japanese).

• Released Unit for Luau
• Internal Implementation of Unit for Luau
• I Attended the Functional Programming Festival 2026

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🎤 Talks

• XR Kaigi 2024 (Dec 12, 2024) – as an engineer at ambr, Inc.
  • The Potential of Roblox and a Case Study of Yuru-chara (Mascot Character) Game Development (video, in Japanese)
• FP Matsuri 2026 (関数型まつり2026, a functional programming conference in Japan; Jul 12, 2026) – in a personal capacity
  • Luau: The Language Used for Roblox Game Development (in Japanese) · Slides · Event report