Ray Gigant is a Japanese dungeon-crawling role-playing game. The stage of Ray Gigant is set in June of year 20xx, where the world has been destroyed by a giant creature known as the "gigant" that suddenly appeared on the planet. In battle, your party is made of three members. Unlike other dungeon-crawlers by Experience, the perspective in combat will show the backside of the characters.

"This adventure is set in the near future… Earth’s major cities have been ravaged by giant, terrifying creatures known as Gigants. Across the globe, military forces from every nation attempted to counter the attacks but, to their horror, failed miserably. In a twist of fate, it was reported that a boy named Ichiya Amakaze defeated a Gigant. The boy defeated the Gigants using a mysterious power called the Yorigami. This victory was short-lived, however. Ichiya lost control of his power and tragically destroyed the city he tried so hard to protect. After this fateful experience, he fell unconscious. Ichiya was then detained and sent to a safe location where his fate would soon unfold... "