The story is set in a world where art become magic. Magicians who can attract people with Mahou Geijyutsu (Magic Art) are called "Artista" and are active on the front lines of show business. The protagonist girl Kohana Aigasaki is a transfer student at Hoshinomori Magic Art Private High School to train young Artistas. Soon after her transfer, she is appointed as a member of the executive committee of the school's traditional "Hoshinomori Summer Festa". Will she be able to achieve the success of the event with six attractive boys and become the best couple of the year, "Artista Prince & Princess" with one of them?