Onee-chan wa Succubus!?

Buy official english version on I wake up at night to find Shiori mounted upon me. Shiori is an older girl in my neighborhood that I adore. There's no way that she would be in my room, on my bed. This must be some kind of dream.. and so, I confess my love for her. And guess what? It turns out she loves me too! But that's not all.. Shiori is also a succubus!!! and she's hungry for some cum.