Succubus assisting with the supreme death by sex!

While on his way home like usual, Kugahara Riku witnessed a Succubus preying on someone, the intensity of the sight stole his heart! "Anyway, I want a Succubus to kill me!" while thinking that, he ended up running into the Succubus he had seen! The Succubus was actually the Class President Kirihara Mei...!? He makes a heartfelt request, but he's unfortunately quickly rejected. Will his wish come true!?