2021 Butt Detective Film's Teaser Reveals Title, Cast, Staff, August 13 Opening

Film opens as part of Toei Manga Matsuri alongside Shinkai no Survival! film

source https://www.animenewsnetwork.com/news/2021-04-19/2021-butt-detective-film-teaser-reveals-title-cast-staff-august-13-opening/.171913