Koei Tecmo Games released today on March 24, 2017 the latest free update for the Nioh. You can find the update in the PSN and if you download it you will get 10 extra submissions.
According to Koei, in 2017 April going to release the next BIG update which going to adds new missions and the online play mode for the game. It is not clear if the April release update will be free or not. Until that, download the new free one!