Tengoku Daimakyo (2023)

S1E1 Heaven and Hell

Following the Great Disaster, Japan is in ruins. Kiruko takes on the task of escorting a boy named Maru to a destination known as Heaven. Elsewhere, a group of children resides within the confines of a nursery, surrounded by vibrant greenery. As Tokio receives an enigmatic message, he starts to question the reality of the world he inhabits.