The Text-Weaver's Book of Summons

Ayahatori-that is the given name of the family possessing a mysterious power. They have the power to be able to summon and use beings and people from secret ancient writings. During the Ayahatori initiation ceremony, high schooler Kozakura Saaya summons one of the three most beautiful women in the world, Ono no Komachi. However, what appears in front of her is a man with matchless beauty-!?