Omotenashi is attracted as Japan original high-service to the tourism industry particularly. Omotenashi in Japan is underlying traditional culture to the equal relationship base between hosts and guests, unlike hospitality in Europe and America in the provision of services based on a master-servant relationship. One of the characteristics of omotenashi in the Japan traditional inns, so called “Ryokan” in Japanese, is unique. Many ryokans are managed by a small family operation, have different ideas and the type of its omotenashi, unlike the hotel operation with a large group enterprise is unified in the world wide. Therefore, it is important for ryokans to deliver better omotenashi that the customers are satisfied, as ryokans provide different omotenashi with the manager's mindset. It is ambiguous and weird which omotenashi have customers satisfied with various and different omotenashi. Thus, this research identifies the character and factors of omotenashi by extracting customer voice or voice-of-mouth on the Internet travel agency and analyzing the relation of customer satisfaction. As a result, the factors of omotenashi are 1. Mael, 2. Facility & environment, 3. Staff members, 4. Hospitality mind and 5. Access by car. Then, the field research was undertaken to investigate the reason and background of the result with the statistical data analysis. This study caused the unique significance of the supplemental field research, though most previous research has not accomplished with a comprehensive questionnaire survey.