Cladun: This is an RPG

The story starts with a girl named Pudding and a boy named Soma going to a gate that Pudding believes is a way to go to the magical world "Arcanus Cella". Upon entering, they find themselves in Arcanus Cella. The story progresses as you finish levels to unlock characters and places. Each time you finish one floor of a dungeon, you unlock more floors and sometimes a scene that may unlock a new characters,or show something about the characters in the game.