About
Known as the Realm of Athletic Night, it is an uninhabited ancient civilization located in the deepest part of an undersea cavern beneath Watatsumi Island, part of the nation of Inazuma.
Characters
Enkanomiya
Features: The environment can be switched between day and night by activating or deactivating Hyperion (Dainichi Mikoshi, meaning 'The Chariot of the Sun'), an artificial sun located atop a tower-like structure soaring toward the sky.
Sourcebook
Intro
A star-like brilliance located at the center of the city illuminates the space.
Release Date 2026.10.04 / Last Updated 2026.10.04
