You are a man of 23 years old who had a hard childhood, and one day a succubus suddenly appears to you and takes you to her queen, who proposes you to take care of her most recent succubus in a world full of girls from different realities.
Your mission is to teach the little succubus everything you know about sex and to free the other girls by defeating the monsters, since you are the only one who can bring both light...
