Japanese man wearing kimono sitting on floor in traditional Japanese house, using calculator and digital tablet, Kyushu, Japan

counting holding working asian ethnicity japanese ethnicity mature adult 40s adult 40 45 years male men mature men middle aged man traditional blue 1 person ceremony traditional ceremony tea ceremony asia east asia japan kyushu fukuoka prefecture fukuoka waist up horizontal colour image photography drink hot drink tea calculator information equipment portable information device digital tablet bowl kimono traditional clothing indoors day business finance traditional culture asian culture east asian culture japanese culture matcha tea ceremony chado sado green tea ceremony kimono yukata ritual