Demons/etc

An earnest little demon ends up in dire straits as he's summoned by a human with a libido rivaling that of a devil.

A college student Satoru Shiiyama had a crush on Jun Mariya ever since middle school, but the object of his affections dies in an accident. In the midst of his grieving, Satoru accidentally summons a demon and gets a once-in-a-lifetime offer: "In return for your life span, I'll grant you a wish." Having lost all hope, Satoru agrees. Just what is the wish that he made...?

The incubus Alkeros’s graduation exam assignment is to have sex with a highly superior human being, Koutarou. However, Koutarou has ED due to the stress of his corporate slave lifestyle!! Al moves in with Koutarou uninvited so he doesn’t miss his chance for sex, but it doesn’t go so smoothly… Today was supposed to be the day I make my move and give him an erection, so how did I end up being the one who’s being touched and getting turned on…!?