As long as the foreign subsidiary use cost plus revenue model, eventually, working capital has to be injected continually not only one time because the cash for revenue is just transferred from Japanese clients to parent company. There could be also no material revenue in Japan. It is always booked as internal account receivable on subsidiary side and it is offset with fund transfer for working capital. Even though there is material transaction in Japanese market, there is no cash in Japan because the cash for revenue is just transferred between Japanese clients and foreign parent company.
