yok.829gj@gmail.com - The AI Ninja Creations

Is Your “All-Country” Index Fund a Risky Bet? A Deep Dive with Modern Portfolio Theory

Think you're diversified with a world index fund? You might be more concentrated than you realize. This AI-driven analysis uses Nobel Prize-winning Modern Portfolio Theory (MPT) to reveal the hidden risks in popular funds and teaches you the principles of true asset allocation.

2025.09.13

Investment

My AI Said My Portfolio Was “Extremely Dangerous” — Here’s the Recovery Plan

"Is my portfolio built on intuition and emotion?" My AI co-pilot gave me a shocking warning about my high-risk strategy. This is the real story of learning Modern Portfolio Theory and redesigning my entire investment plan from the ground up.

2025.09.13

Investment

A Data-Driven Blueprint to Luxury Japan Travel: Budgets, Logistics & Insider Tips

Unlock Japan's luxury travel market with an engineer's data-driven analysis. Compare accommodation costs, optimize transportation logistics, and understand budget allocation for a bespoke trip. Plan smarter, not harder.

2025.09.12

travel to japan

The Engineer’s Dossier: Data-Driven Strategies for Ultra-Luxury Japan

A Tokyo-based engineer's guide to Japan's ultra-luxury travel. Unlock exclusive experiences with data-driven insights on ryokans, private cultural workshops, Michelin dining, and peak travel times. This is your blueprint for a trip beyond compare.

2025.09.12

travel to japan

The Ultimate Guide to Making Matcha at Home: Benefits, Tools & How-To

Discover the world of matcha! Our infographic guide covers the amazing health benefits, the essential tools you need, and a simple step-by-step process for whisking the perfect cup. Start your Zen-inspired ritual today.

2025.09.12

food

The Ultimate Guide to Coworking in the USA (2025): Top 5 Cities & Pro Tips

Discover the best coworking spaces in the US for 2025. We break down the top 5 cities—NYC, San Francisco, Austin, Chicago & Miami—and share essential trends, must-have gear, and a checklist to find your perfect workspace.

2025.09.12

business

How to Choose a Camping Tent : The Ultimate Beginner’s Guide

How to Choose a Camping Tent (2025): The Ultimate Beginner's Guide

2025.09.12

hobby

SSAT & ISEE Test Prep: A Parent’s Guide to Supporting Your Child’s Success

Navigating the private school admissions journey? Learn the 3 pillars of effective support for the SSAT & ISEE tests. Guide your child to success without the stress.

2025.09.12

exam

Losing Weight in Your 30s: The 2025 Strategy Guide to Beat Slow Metabolism

Feeling like it's harder to lose weight after 30? You're not alone. Our 2025 guide explains the science behind a slowing metabolism and provides actionable strategies, from sustainable diets like Keto to smart fitness choices, to help you achieve lasting results

2025.09.12

health

My AI Investment Diary #1: I’m Trusting My Entire $100,000 Portfolio to a Custom AI

After years of failed trades, I'm going all-in on an AI I built myself. This is the real-time diary of my $100,000 AI investment experiment. Can a custom AI, powered by Gemini, actually beat the market? Follow my uncensored journey of wins and losses.

2025.09.12

Investment