As we’ve mentioned in the past, one of the most popular children’s book series in Japan is none other than Oshiri Tantei, AKA Butt Detective. It’s getting an anime adaptation in 2018, and the latest update has the cases getting cracked starting in May.
Troll’s book series previously inspired a series of YouTube shorts, and the anime adaptation is coming to NHK’s E-TV. Hiroki Shibata directs, with Natsuko Takashi on series composition at Toei Animation.
Here’s the most recent promo from earlier this month: