Topic hubs
Four editorial axes—urban investment, macro & policy, Tokyo life, and essays—mapped to featured series posts.
Urban investment insight
Tokyo offices, residential pricing, REITs, redevelopment, and rental yield vs capital gains.
- Investment 6 min read
How to Invest in Tokyo Real Estate — Steps, Costs and Taxes [2026]
Updated:Start with area and budget, then review Tokyo's eight buying steps, transaction costs, taxes, yields, earthquake and FX risks, and rules for foreign buyers.
- Investment 11 min read
New vs. Pre-Owned Mansions in Japan — Prices, Depreciation & Repair Costs [2026]
Updated:April 2026 Greater Tokyo data comparing new and pre-owned mansion prices, depreciation, repair reserves, and liquidity.
- Investment 7 min read
Why Tokyo Mansion Prices Haven't Dropped Yet — Decoding the April 2026 REINS Supply-Demand Data
Transactions down 6.7%, inventory up 8.9%, yet prices rise 8.9%. We decode the structural rigidity behind this paradox using the April 2026 REINS data.
- Investment 10 min read
What Is J-REIT Investing? Five Return and Risk Checks
Updated:Understand J-REIT market structure, distributions, interest-rate and FX risks, buying methods, and the five checks to make before choosing a listed Japan REIT.
- Investment 3 min read
Tokyo Office Vacancy at 2.22%: Five-Ward Guide for 2026
Updated:Miki Shoji puts Tokyo's central five-ward office vacancy rate at 2.22% in March 2026. Here is what the monthly vacancy and asking-rent data can—and cannot—show.
Macro & policy (Korea–Japan)
FX, rates, cross-border tax and visa topics, corporate vs personal holding sketches.
- Investment 8 min read
Weak Yen and Korean Allocations to Japan: Three FX Scenarios
Updated:Analyze JPY/KRW paths (800–900 JPY/KRW range) and USD/JPY scenarios to stress-test Japan real assets, J-REITs, and cash for Korean investors.
- Investment 10 min read
Japan Rate Hike & J-REIT: 3 Lessons from the 2024-2026 Cycle
Updated:Find out how the Bank of Japan's rate hike cycle affects J-REITs. Discover 3 essential macro lessons for understanding the Japanese market.
- Investment 4 min read
Korea–Japan Inheritance Tax: Residency and Japan’s 10-Year Test [2026]
Updated:Ten years in Japan does not automatically make every worldwide asset taxable. Start with both parties’ address, nationality, residence status and history, then map each asset.
- Investment 3 min read
Japan Visa Routes: Permanent Residency, Business Manager, and J-Find
Updated:Japan is aggressively opening its doors to global talent and investors. We analyze the 2025/2026 immigration reforms, including the 30M JPY capital requirement for Business Managers and the 1-year fast-track PR route for Highly Skilled Professionals (HSP).
- Investment 4 min read
Japan Real Estate Tax Strategy: Corporate vs. Personal Ownership
Updated:Choosing the right ownership structure is the most critical decision after selecting the property. We compare progressive personal tax rates (up to 55%) vs. effective corporate tax rates (approx. 30-34%) and analyze the '5-year rule' for capital gains.
Tokyo life & local reports
Neighborhood walks, food markets, street DNA, community notes, and family-friendly picks.
- Local 5 min read
Nihonbashi to Hamacho Walk: A 2.5km Tokyo Route
Updated:Walk about 2.5km from Nihonbashi to Hamacho via Muromachi, Kabutocho, and Ningyocho, with a practical half-day route, stops, timing, and budget tips.
- Essay 7 min read
Why I Chose Nihonbashi
Updated:A personal account of why a Korean investor, after years of watching Tokyo's market, chose one specific neighborhood — and what that choice meant beyond the numbers.
- Local 6 min read
From Ginza to Marunouchi: A DNA Walking Guide to Tokyo's Wealth and Tradition 2026
Updated:From Ginza, boasting the highest land prices in Japan for 20 consecutive years, to Marunouchi, the heart of finance and business. We walk the 1.5km route where Tokyo's past and future intersect most vividly, with practical tips on transport, costs, and investment signals.
- Life 5 min read
Is Shin-Okubo Tokyo's Only Koreatown? Cultural, Support & Business Hubs [2026]
Updated:Shin-Okubo remains Tokyo's clearest Korean shopping and dining district. For resident support and Korean startup programs, official hubs such as Mindan branches and KSC Tokyo serve different needs.
- Local 4 min read
The Two Hearts of Tokyo’s Morning: Tsukiji and Toyosu, 2026 Transformations
Updated:From the 80-year history of the Tsukiji Outer Market to the modern culinary hub of Toyosu Senkyaku Banrai. We provide a smart guide to exploring these areas as of 2026, focusing on both gastronomic experiences and the massive redevelopment projects underway.
Essays & investing philosophy
Personal notes on mindset, moving, volatility, reading two markets, and post-mortems.
- Essay 7 min read
The Aesthetics of Warm Investing: Where Cold Numbers Meet Human Warmth
Updated:Investing is ultimately proven by numbers, but those numbers are created by human decisions and the quality of relationships. I explain how GSF's 'Warm Investing' operates as a practical risk management framework, far beyond a simple slogan.
- Essay 11 min read
Buying a Condo in Japan: 10 Things to Check Before You Sign [2026]
Updated:10 checks before buying a condo in Japan: the June 1981 seismic standard (by building confirmation date), repair reserves, monthly carrying costs, the Important Matters explanation, and foreigner financing — from a Nihonbashi purchase.
- Essay 5 min read
What Surprised Me Most About Buying Property in Japan
Updated:A Korean investor's first-hand account of purchasing a condominium in Nihonbashi, Tokyo — the procedures, the surprises, and what no guidebook told me.
- Investment 4 min read
A Post-Mortem of Japan Real Estate Failures: 3 Lessons to Protect Your Capital
Updated:Failure stories are often more powerful than success stories. From the traps of subleasing to hidden maintenance spikes and tax audits, we analyze real-world investment failures to uncover the 'invisible risks' of the Japanese market.
- Investment 4 min read
Seoul and Tokyo: Reading Two Markets as One Global Corridor
Updated:In 2026, the 'Japanification' of the Korean economy and the 'Revitalization' of the Japanese economy are intersecting. We analyze the structural supply shortages in Seoul and the global capital concentration in Tokyo to share strategic insights for cross-border asset allocation.
