Prior to Kana Asumi, Ideal Voice set announcements included Yui Horie, Ami Koshimizu, and Aoi Yuuki.
In addition to the two standard options—Miyuki Sawashiro and Mamiko Noto—Catherine: Full Body will have an optional Ideal Voice set, and the latest to be announced is Kana Asumi (Hyouka in A Certain Magical Index, Hinata in Encouragement of Climb).
Catherine: Full Body hits PS4 and PS Vita in Japan on February 14, 2019, with a western release to follow at some point.