Succubus Cafe is a Cafe created by Yuze, And Knight is her manager.. They have a special method of making energy and it's called "Dream Therapy" Succubus use it to get energy.. everytime someone sit Yuze will send a succubus to accompany them.. The one she sends is Tinia,Bianca,Lupina.
Tinia has a white hair and she is some kind of goddes..Bianca has a blonde hair and she's a noble,blue horns,tails and wings.Lupina has a white hair and black clothes, and she is a innuit.