FcoinJP's was an affiliate of the Fcoin exchange, but the former (FcoinJP's) was established by the by the Fcoin exchange to help strength the exchnage's service to all Japanese traders and in as much as the Fcoin exchanges receives good attention and support from it's developer FcoinJP's was also going to experience a massive growth and increase on its trade platform.
In 2020 Fcoin Exchange was shut down when the exchange ran into debt and could pay back their customers money and due that reason FcoinJP's also had to be shutdown as Fcoin exchange which happens to the it's backbone and support was shutdown.