The official website for upcoming Souten no Ken Re:Genesis has announced additional cast members. A special show will be broadcast on April 3 0:30 a.m. while the anime will broadcast on Tuesdays at 0:30 a.m. starting April 10. Amazon Prime Video and Crunchyroll will pre-release the first episode.

Cast
Himuka: Rikiya Koyama (Hokuto no Ken Zero: Kenshirou Den)
Simeon Nagitte: Tomokazu Sugita (the Gintama series)

Blu-ray information has been revealed. There will be four volumes releasing, each containing six episodes. The first and second volumes will be released on June and July 27, respectively, while the third and fourth volumes will be released on December 21 of this year and January 31, 2019.

Source: Moca News