BRIGHT MYSTERY is a top-down "adventure game". The gameplay of the game is based on the "undertale" and partly "touhou project" gameplay.
The player controls a child who mistakenly entered another world through a portal. The main goal is to return back to the home world.
The events of the game take place in the 2040s, when children began to be born with their own individual magical ability, which had to be developed for full control. But, unfortunately, in the city these same children began to disappear without a trace. Absolutely all searches ended in failure. It was then that a strange closed door was found in the forest...