T-Rex studio, together with Lune and director Raika Ken, announced a hentai anime adaptation of “Chizuru-chan Kaihatsu Nikki / Chizuru-chan Development Diary” based on the manga of the same name authored by Muchakai(Based on the work of this author, an adaptation of “OVA Mako-chan Kaihatsu Nikki / Mako-chan Development Diary” and “Chii-chan Kaihatsu Nikki / Chii-chan Development Diary”was released). 6* episodes are planned, the release is scheduled for the beginning of October 2021, and the final 6th episode should be released in December 2021.