1. The business mainly operates in Yokohama, Kanagawa Prefecture, Japan, with core services including brokerage and rental services for new detached houses, used detached houses, apartments, and land. 2. In the real estate industry, it is a regional specialized brokerage, with competitors including other local real estate brokerage companies. 3. The brand terms used on the official website are "センチュリー21Second" or "Century 21 Second".