First Stage Corp is engaged in the real estate sector. The various business activities performed by the company are; Investment property sales which generate maximum revenue, Real estate rental management, Real estate building management, and others. In the Investment property sales business, the company purchases properties that include different types of condominiums for the purpose of asset management; the real estate rental management business involves recruiting tenants and managing rent collection for properties purchased by owners; and the building management business involves managing buildings and assets, including accurate association accounting using an accounting system, machine monitoring in collaboration with a security company, and insurance in the event of a disaster.