Samejima Kouichi (nicknamed Ko-chan) is a dull old man. A beautiful woman named Kao-chan suddenly appears in front of him, seducing him at the speed of light and getting into bed with him! You'd think this would be the start of a love story, but Kao-chan disappears with a mysterious man. The place where Kao-chan lives… is it Heaven!? Seeking lovey-dovey days with Ko-chan, Kao-chan heads back to Earth… What is her purpose?

Your “carnal desire(?)” will be ignited as a new age of transcendence and a transcendental heroine are born!