Hourensou is one of the Japanese corporate cultures which regulates the communication system in daily operation management. Ozora publishing is one of the Japanese companies that also implements hourensou in the execution of daily work. The research verified how Ozora publishing implements hourensou within the company activity. The research method is qualitative and quantitative by spreading the questionnaire about hourensou to be answered by Ozora employees in Japan. Hourensou implementation is analyzed in the descriptive analysis method. It can be concluded that the research has acknowledged the performance of hourensou in Ozora publishing. Implementing hourensou within work activity could make teamwork and the work’s flow more efficient.