Kota Oyamada, a simple boy who lived with his grandfather in the countryside, came to the big city of Kaoru High School and became a freshman in the school. Facing the new city and the new school building, the nervous Kota was unexpectedly confessed to by a senior. She was the school's number one beauty, Minamoto Chizuru. Chizuru, who had big breasts, used all means to seduce Kota. Her real identity turned out to be a fox demon! Chizuru's younger brother, Kota's classmate, Tayura, who was also a fox demon, also fell in love with the class monitor Asahina Akane. The hilarious campus comedy between the pure boy Kota and the fox demon senior began.