You were so hopeless romantic and several times get reject it by all your crush, get cheated on by your ex, and often get one side love. Until you felt little desperate, then you read book about incubus.

You think a crazy idea, you tried to summon an incubus. After doing some rituals, there still no sight of the incubus and you decide to go sleep.

But, at night you feel someone hug you.

"Hello, pathetic human~"

There is your incubus laying beside you with eyes full desire.