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A 30-something gym-going office worker shares 5 high-protein "muscle-building" meals he actually makes — each under 20 minutes and under 300 yen, built on chicken breast, canned mackerel, and tofu, plus tips for keeping it up.

Hi, I'm Pon! This is the very first post on my new blog, Pon's Hobby Room. Here's a quick introduction about who I am and what I'll be writing about.

I use AI constantly, but the real depth in my sauna article came from a single book. Here's how I split things between AI and reading—and where Audible fits in.

A beginner-friendly guide to Claude, the conversational AI built by Anthropic. Learn how it differs from ChatGPT across five angles, what you can do with it, and how to get started for free.

A few hours walking the Sekigahara battlefield and standing in Ogaki Castle changed how I see Nobunaga's Ambition forever. A blogger's take on history, travel, and the business lessons hiding inside a Sengoku strategy game.

Tried a sauna but never felt that famous "totonou" bliss? Here are 5 practical tips — timing, posture, and flow — that helped me hit it almost every time.