He worked in NTT DoCoMo since 1998, the third-generation mobile phone system development in research and development phase to engage in i-mode for 5 years. In the service department, consider broadcasting related services, plan and developed “i-concier”, information distribution service as a concierge for 6 years since 2008. He seconded to a TV station to produce animation-related content for 6 years. In current department, he produced live animation (a.k.a VTuber today) for 4 years since 2015.