Cuddled by a doting big sister who spoils you with whispers and pussy... A naughty big sister who's cared for you since you were both young. A luxurious life enveloped by warm pussy and big tits.
Researcher Leo was told on his first day at the institute that he needed to look after some mysterious creature -- an innocent girl who fed on semen... There seemed to be more to the girl's secret than that, but no one wanted to reveal the maddening truth.
You summon a succubus to escape the torment at work, only to find that she looks just like your ab*sive boss! Can you endure living under the same roof with the bane of your existence and the ultimate object of your desire?