This service (rent.swimple.net) monitors vacancy information for UR and JKK public housing and sends notifications when matching units become available. It is free and not affiliated with any government agency. Users must register accurate information and maintain one account. Prohibited actions include interfering with operations, scraping, misusing others' data, and commercial use. The service does not guarantee accuracy of vacancy information — always verify on official sites. The operator may modify, suspend, or terminate the service and may suspend accounts for violations or inactivity. All intellectual property belongs to the operator. These terms are governed by Japanese law with Tokyo District Court as exclusive jurisdiction.