The official site has now updated with a new promotional video below with the cast and a confirmation of an April 6th, 2020 debut.
Additionally, a new group key visual was also revealed that will be used for most of the promotion for it.
The event revealed that the anime will cover the”Zero Chronicle: Hajimari no Tsumi” storyline from the game which last fall revealed was set for an April 2020 debut.
The previously announced Japanese cast includes Yuuki Kaji as Yami no Ojui and Yui Horie as Hikari no O Airisu.