Heavenly DelusionHeavenly Delusion.

Heavenly Delusion (Japanese: 天国大魔境, Hepburn: Tengoku Daimakyō; lit. 'Heaven Grand Makyō') is a Japanese manga series written and illustrated by Masakazu Ishiguro. It has been serialized in Kodansha's seinen manga magazine Monthly Afternoon since January 2018 and its chapters have been collected in 13 tankōbon volumes as of February 2026. The manga has two narratives; in one narrative, the characters Maru and Kiruko travel across a post-apocalyptic world to reach an area called "Heaven"; in the other, a group of children live in a school their superiors call "Heaven".