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#01 / Case Studies
Ending a 6-Year Marathon: A Full-Stack Engineer's Reflections on "Vanity Projects"
Case Studies
Ending a 6-Year Marathon: A Full-Stack Engineer's Reflections on "Vanity Projects"

On June 30, 2026, a 6-year project journey concluded as the client brought operations back in-house. This reflection explores th...

#02 / Case Studies
An Engineering Guide to Organizational Change: The "Last One Mile" Strategy for AI Implementation
Case Studies
An Engineering Guide to Organizational Change: The "Last One Mile" Strategy for AI Implementation

This article explores the critical "last mile" of deploying AI solutions, emphasizing that user adoption is just as important as...

#03 / Case Studies
Overcoming Organizational Barriers in AI Implementation: A Bottom-Up Approach and Engineering Strategy for Japanese Enterprises
Case Studies
Overcoming Organizational Barriers in AI Implementation: A Bottom-Up Approach and Engineering Strategy for Japanese Enterprises

Deploying corporate AI products effectively requires establishing solid organizational sponsorship rather than focusing solely o...

#04 / Case Studies
How an Everyday Person Can Leverage AI for a 0-to-1 Career Leap: From the "Three Realms of Translation" to a "Walking Blog Automator"
Case Studies
How an Everyday Person Can Leverage AI for a 0-to-1 Career Leap: From the "Three Realms of Translation" to a "Walking Blog Automator"

Addressing a query on pivoting from engineering to marketing, this post explores rebuilding core competitiveness in the AI era. ...

#05 / Case Studies
Preventing "Air Recording": A Hardware Project to Visualize Microphone Status
Case Studies
Preventing "Air Recording": A Hardware Project to Visualize Microphone Status

A developer shares a project to solve the frustrating issue of "air recording"—speaking into a phone that isn't actually recordi...

#06 / Case Studies
A Hardcore Romance Born on a Stroll: Accelerating IoT Product Development with Codex and Computer Use — A Validation of AI-Driven Prototyping
Case Studies
A Hardcore Romance Born on a Stroll: Accelerating IoT Product Development with Codex and Computer Use — A Validation of AI-Driven Prototyping

This article chronicles how a flash of inspiration for an IoT device during a morning stroll was transformed into a prototype in...

#07 / Case Studies
From a Dreamt Hum to a Finished Track?! How I Used AI to Create a Bilingual Song & MV in Just One Day
Case Studies
From a Dreamt Hum to a Finished Track?! How I Used AI to Create a Bilingual Song & MV in Just One Day

This article pulls back the curtain on how the author took a fragmented melody casually hummed in a dream and, by leveraging var...

#08 / Case Studies
Practice Lecture 1: Generating Daily Job Search & Market Overview Reports with Codex
Case Studies
Practice Lecture 1: Generating Daily Job Search & Market Overview Reports with Codex

This article reveals specific methods for advanced task and learning automation using the AI Agent "Codex." It covers everything...

#09 / Case Studies
The Antidote to AI Anxiety: Ditch the Obsession with Mastering Tools and Fuel Your Journey with "Business Sense"
Case Studies
The Antidote to AI Anxiety: Ditch the Obsession with Mastering Tools and Fuel Your Journey with "Business Sense"

Equipped with high-performance AI tools like Claude Code and Codex, yet trapped in "AI dread"—feeling like you don't know what t...

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