The series was directed by Noriyuki Abe based on the series composition by Hiroyuki Yoshino, who wrote most of the scripts.
Anime Limited announced their acquisition of the third season of Black Butler with Book of Circus back in May 2016 and they’ve had a few dates for it since then.
Plot concept: Ciel and the demon butler Sebastian are summoned by the Queen to investigate multiple reports of missing children.
The bilingual set is getting a DVD edition and a collector’s edition Blu-ray.