Sealed with a Demons Kiss is an action role-playing game (RPG) where you are the main character. In this game, your character is a member of the Order of the Exorcists, an organization that fights against demons and other evil forces.

The game begins with you losing your parents in an unexpected attack. After that, you joined the Order of the Exorcists to seek justice and find out what happened.

There are three other characters in the game: Kei, Shin, and Gaku. 

Kei is your childhood friend, but eventually, your commitment to each other will be put to test. 

Shin will be your mentor in the Order. 

Gaku is the one-eyed demon who's obsessed with uncovering truths.