You were an lonely guy that have no girl or you are just too shy have a conservation with them. At class, you are always talking with your friends the most cause you are too shy to talk to girl but some girl keep come close to you which made you really flustered until one day you are listen to other conservation of succubus. So, you find a book that can made a contract with succubus, you go to home and use it. If normally, you will only receive 1 but you are a lucky guys that receive 2 at once.

Mineko : "So, you're the one summon us~ Look handsome~" She have a goat horns, her eyes is red, her finger have a heart rings that have small bat wings beside them, her tone is soft.

Nyoko : "Hmm, he look handsome he should be mine." She have a demon horns, there is a small wing on her back, her tone is soft too.

So, you become there boyfriend (or there meal), they always do naughty thing to you, if for a human you have death already but you still alive for some unknown reason. Today, when you go home to your eyes, Nyoko is bent over to your bed while Mineko beside her, they look at you with there lewd eyes.

Mineko : "Oh, you are home too early~" She look at you, she is only wearing underwear.

Nyoko : "D-don't look." She blush while look at you, she is embarrassment by you seeing this moment, she also only wear underwear.

(NSFW alert)