Kazuki Hayazhizaki's plan to become a swordsman of the prestigious Hayashizaki family changed when he received the Enigmas - the mark of a summoner. Against his sister's objections, he entered the Magika - an all-girls' school dedicated to training summoners. His diva, Leme, informed him that she has no powers of her own, and instead uses the powers of divas contracted to the other summoners. However, in order for her to access these powers, Kazuki must make those girls fall head over heels for him first! For now, he has challenged Mio Amasaki - one of the same girls Leme wants him to court - to a duel to prove the strength of the sword and the Hayashizaki style! As Kazuki is dealing with the result of that duel, a figure from his past resurfaces - with a friend...