Nach einem Streit mit Aria wird Kinji allein gelassen, um Shirayuki zu bewachen. Ihre Eltern verbieten ihr, die Schule zu verlassen, aber Kinji lädt sie zu einer Feuerwerksparty ein, damit sie sich entspannen kann. Sie genießen das Feuerwerk, aber am nächsten Tag erhält Kinji eine SMS von Shirayuki auf sein Handy, in der sie "Auf Wiedersehen" sagt.
Recovering from a cold, Kinji continues to be trained by Aria in case of encountering Durandal. Soon, the two had a fight as Kinji believes that Aria lied about Durandal’s existence. Shirayuki explains to Kinji how Hotogi are restricted to venture out of the shrine but she wanted to see the firework festival. Later Kinji suggests that the two should go to the fireworks festival to which Shirayuki agrees, knowing that she is breaking the rules of the shrine. Further in the night, Shirayuki received a text message that she kept to herself. The following day at school, Shirayuki suddenly disappeared. With the help of Reki, Kinji was able to locate Shirayuki in the basement of a warehouse. While hiding, Kinji discovers Shirayuki negotiating with the hidden Durandal in order to protect the school. It is revealed that the text message and fake call for help was from Durandal last night. Kinji jumps in to rescue Skirayuki but is quickly pinned down by Durandal.
アリアと喧嘩をしてしまい、キンジはひとりで白雪の護衛をすることになった。実家からの厳しい言いつけで学校外への外出を禁じられている白雪だったが、キンジはたまには羽根を伸ばしてもらおうと、彼女を花火大会に誘う。花火を楽しんだ2人だったが、その翌日、キンジの携帯になぜか白雪からの「さようなら」というメールが届く。
La recuperación del frío que desarrolló desde su zambullida en el río, Kinji continúa siendo entrenado por Aria, en caso de que afronten Durandal. El dos de ellos tienen un público caiga, como Kinji cree que Aria ha mentido sobre la existencia de Durandal.