Comedy, Ecchi, Demons
Succubus moves in with a guy to study the detrimental effects of sucking energy out of young men. Except, he's part of a control group of twins -- one twin will have their energy sucked daily for 15 years, the other will never be allowed to orgasm. Guess which one our hero is? Complication: His bluntly honest demeanor is a huge turn on to his succubus handler.
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