Features

Yield Calculator Simulator
Live

Instantly estimate rent and yield from property details

Tax Simulator
Live

After-tax profit, tax optimization, and capital gains simulation

Historical Transaction Prices
Live

Area transaction data from MLIT Real Estate Information Library

Land Price Trends
Live

Official land price trends, AI analysis & future projection

Population & Household Trends
Live

e-Stat demographic data for demand forecasting

Redevelopment Plans
Coming Soon

Urban redevelopment and infrastructure projects

Terrain & Disaster Risk Analysis
Live

GSI map, elevation, hazard score A–E, AI commentary, investment impact

Macro & FX Intelligence
Coming Soon

BOJ policy, inflation, interest rates, USDJPY outlook analysis

ARKADReal Estate

Trusted Local Representation for International Real Estate Investors

Operated by

HAPPINESS Co., Ltd.

Tokyo, Japan

© 2026 HAPPINESS Co., Ltd. All Rights Reserved.