The stories of the one shot and Jūni Taisen are connected.
Naoto Hosoda (The Devil is a Part-Timer!, Shuffle!) is directing the series at Graphinica (Chain Chronicle: The Light of Haecceitas, Expelled from Paradise).
The anime will premiere this year.
Nobuhiko Okamoto (Blue Exorcist’s Rin, My Hero Academia’s Bakugō) stars in the anime as Usagi, a man burdened with the title of the rabbit from the Chinese Zodiac.