SD ENTERTAINMENT,Inc. (4650.T) operates entertainment facilities, wellness services, and related businesses primarily in Japan. The company manages large-scale entertainment complexes including Dinos Park, a provider of large-scale and mid-sized stores with bowling, golf bars, and cinema facilities; fitness clubs with 12 locations; childcare services through 4 nursery schools; online crane games; electronic commerce (EC) platforms; real estate leasing of land and buildings; nursing care operations; telecommunications telemarketing; office supplies; and software sales. SD ENTERTAINMENT operates through two main segments, entertainment and wellness, targeting consumers in leisure, recreation, health, and family services across Japan, with 303 employees. Founded in 1952 and headquartered at 1-8-1 Kita Nango-dori, Shiroishi-ku, Sapporo, Japan, the company, formerly known as Sugai Entertainment Co., Ltd., continues to focus on these diversified operations without reported major acquisitions, partnerships, funding rounds, or strategic shifts in the last 1-2 years, as evidenced by its fiscal year 2025 results showing revenue growth to 4.20 billion yen alongside stable segment activities.