Hikaru Aoi

A fire rages in the city, engulfing everything in its path with its flames. Just as the situation seems hopeless for the inhabitants, a god-like apparition suddenly descends from the sky, and all the flames are extinguished in a bright flash of light. In the blink of an eye, she creates a new city within a large tower, and the inhabitants begin to worship her. But the supposed goddess is a demon, and her succubi are stealing people’s life force through sex. The only way to stop her is her adversary Seimei, who even seems willing to enter the enemy’s domain of lust and horniness.

One day, a man who considers himself an “expert” receives a letter. It contains several cards showing the breasts of various women. Suddenly, a girl called Nil appears and explains to the man that he has been chosen to play a game in which the aim is to guess as many breasts as possible. Now, he has to find the ladies whose rack is shown on the cards…