18+ Heaven

The main character Haruto who has the marking of a supreme king, unknowingly opened and entered the gate to the world of divine spirits. There he meets Feilen-kamisama who makes a contract with Haruto for an unexpected reason. Later Raika, nation of thunder, comes along and makes things more confusing for Haruto! What happens after this? A riot that flips his life upside down… or flat to the ground… (Source: M-U)