Tengoku Daimakyo - Season 1 - Eps 9: Children of the Nursery
Maru and Kiruko discover that Dr. Usami had a button with the same pattern as the logo they found on the Kiru-Beam. They decide to follow it's trail, and meet a mysterious informant along the way. Meanwhile, back at the nursery, an emergency meeting is held.
About Tengoku Daimakyo

Title: Tengoku Daimakyo
First Air Date: 2023-04-01
Last Air Date: 2023-06-24
Status: Ended
Rating: 7.99/10 (from 200 votes)
Language: JA
Seasons: 1
Total Episodes: 13
Network: Tokyo MX BS11
Genres: Animation, Mystery, Action & Adventure, Sci-Fi & Fantasy
Production Companies: Production I.G, avex pictures, NetEase Games, NBCUniversal Entertainment Japan, Kodansha, MBS
Synopsis
In the year 2024, the world has collapsed. Grotesque monsters lurk amongst the ruins of Japan, while remaining people scrape together what they can to survive. Kiruko, an odd-job girl in Nakano, accepts a mysterious woman's dying wish to take a boy named Maru to a place called Heaven. Maru is convinced that there will be a boy there who looks exactly like him.
Cast

Gen Sato
Maru (voice)

Sayaka Senbongi
Kiruko (voice)

Hibiku Yamamura
Tokio (voice)

Toshiyuki Toyonaga
Kona (voice)

Misato Fukuen
Mimihime (voice)

Shunsuke Takeuchi
Shiro (voice)

Tomoyo Kurosawa
Kuku (voice)

Misato Matsuoka
Anzu (voice)

Yuuki Shin
Taka (voice)

Kazuya Nakai
Robin Inazaki (voice)