BENEFIT JAPAN Co., Ltd. (3934.T) operates as a telecommunications provider primarily engaged in mobile virtual network operator (MVNO) services, subscription agency business, and natural water home delivery in Japan; founded in 1996 and headquartered in Osaka, the company offers core products and services including Only Mobile and Only Option mobile plans, virtual fixed-line (FVNO) internet options, SIM cards, smartphones, mobile Wi-Fi routers, communication robots under the internet communication services segment, alongside robotics business activities, reuse operations, water server deliveries through subsidiary Lifestyle Water Co., Ltd., and other ventures via subsidiaries Mobile Planning Co., Ltd. and SENKA Co., Ltd.; it maintains business offices in Tokyo, Osaka, and Kagoshima with approximately 318 employees as of March 2025. The company serves general consumers from beginners to seniors through over 10,000 sales network stores built over 20 years, acting as a primary distributor for SoftBank Corp. subscriptions and delivering comprehensive internet solutions under the Only Service brand targeting lifestyle enhancement. Recent developments encompass sustained revenue growth to JPY12.745 billion in the fiscal year ended March 2025 with 318 employees, expansion of service portfolio into reuse and robotics segments, and ongoing operations across listed Tokyo Stock Exchange Standard market amid stable financials including JPY605.8 million capital.