Isekai Reincarnation Magic Cock

I was going home to lie down after working overtime but I was hit by a car on my way home... - "Am I dead?" - The second after I opened my eyes, a beautiful Goddess showering in white light asked: - “To save the Isekai world, what kind of special ability do you want ? - A super powerful weapon? Or super powerful magic?” - Even with these tantalizing options lying in front of me, I still want to fulfill my wish before I was dead: - Hence, with this powerful magic cock in my hand. - In this Isekai world that is about to be conquered by the Demon King's army, I'm going to save the world while indulging in ​