Looks like this was announced at the ARCREVO Japan 2018 event. Alongside PS4 and Steam, game is now coming to Switch.
Also, two new characters revealed:
More pics at the link: https://www.famitsu.com/news/201811/24168045.html
Also, two new characters revealed:
More pics at the link: https://www.famitsu.com/news/201811/24168045.html