Dungeon Builder: The Demon King’s Labyrinth is a Modern City!

Overview

A second generation believer and the religion’s god are classmates and friends. Faith. Abuse. Family. First loves. Romantic orientation. A moving story about boys seeking their dawn by escaping from hell. High schooler Higashi Haruhito is a second generation believer. His mother, who is involved in a new religious movement, drags him to a meeting and Haruhito is horrified to see his classmate Saibara Touma worshipped as the “Enlightener”. They’d never talked to each other at school, but here, Touma was like a god with all of his personhood stripped away. Then that night, Haruhito sees Touma dragging an oil canister toward the religious facility?! That was how they first met; Touma, who was being pressured into a corner by the adults around him, and Haruhito, who chose to get close to him. (Source: Shodensha, translated) Note: Includes one extra chapter.

Source: AniList