Die Austauschschülerin Lilith Bristol kommt in Thors Klasse und zeigt sofort, dass sie besonders ist. Thor und Julie gehen zum Einkaufen in die Stadt.
Being told that they're someone like her, Lilith Bristol travels to Japan in order to meet Tooru Kokonoe, because he is special, just like her. Much later, everyone gathered at the classroom, Tora and Tatsu thanks Miyabi and Tomoe for helping them when they where injured. During the lesson, Tooru thinks about what Sakuya said before. But in the middle of the lesson, Lilith appeareas and tells Tooru to come with her, which annoys Rito. Lilith says that starting from now on, Tooru will be her Duo partner, but Tooru explains that he already has a Duo partner and declined. Later, Tooru asks Julie if she wants to go somewhere the next break, and she says yes. The break starting, Julie and Tooru are on their way to a mall that Miyabi recommended , but Miyabi told him that she already had plans with Tomoe. After buying clothes for Julie, they both eat ice cream while being watched by Tomoe and Miyabi. However, while watching, a group of boys where hitting at them and telling them to come with them. Tomoe resisted, but the boys took Miyabi's hand, which made Tomoe angry and told them to stop, however, Tooru came to the rescue and told them that they're with him, but that made the boys even more angry, but before they could do anything, Lilith quickly came behind them and attacked them with her Rifle. But that was the thing that Tooru was very suprised over; he realizes that rifle is a excepction..
Une nouvelle étudiante, Lilith Bristol, a été transférée depuis l'académie d'Angleterre afin de rencontrer Tor, et seulement lui. Proclamant qu'elle est une Exception, qu'a-t-elle en tête et pourquoi s'intéresser autant à Tor ?
思わぬ強敵を倒し新刃戦に勝利した透流とユリエ。そして、勝ち残った透流とユリエの他にも、傷つきながらも実力が認められた透流のクラスメイトの巴、みやび、トラ、タツの６人に《Ⅱ（レベル２）》へランクアップする為の昇華の儀が行われる事が告げられる。新たな力を得た透流の前に、ある日突然金髪の美少女、リーリス=ブリストルが現れる。イギリス校から転校してきたリーリスは授業中にもかかわらず、話があると教室から透流を連れ出す。リーリスは自分が特別—エクセプションだと告げ、透流に自分のデュオになりなさいと言い放つ。
토오루 일행은 신인전 다음날 츠키미가 선생으로 들어오자 반발한다. 그러나 이사장은 앱솔루트 듀오를 위해선 수단과 방법을 가리지 않겠다는 말만 남기는데. 한편, 토오루의 반에는 또다른 이레귤러, 영국 전학생이 찾아온다.
El día después de la competición de novatos, la clase de Toru se enfada cuando Tsukimi se incorpora como profesora, pero el director dice que hará cualquier cosa por el dúo absoluto. Mientras tanto, a la clase de Toru se incorpora otro irregular, un estudiante británico transferido.
