AIAV-027 — [Ai Doujinshi] I'm Still A Virgin But I Have A Big Dick, So It Seems A Perverted Succubus Liked Me

When I recited the spell from the grimoire, a succubus really appeared. They say that succubi suck out the life force of people... I was still a virgin, but it seems that I had an attractive big penis. Because of that, the succubus took a liking to me and made me her sex friend...