Naoya feels conflicted by the appearance of Mercelida, who three years after their chance fling left Asuha with him and disappeared, with Mercelida immediately running off before listening to what Naoya has to say. Judit reveals to Naoya that Mercelida is the queen, making Asuha and Astarotte half-sisters, and asks him to keep it a secret from Astarotte. Wanting to speak with Mercelida, Naoya and Asuha sneak into the palace dressed as maids. They are discovered by one of the queen's servants but is coincidentally chosen to be an escort based on Mercelida's requests. Upon meeting her, Naoya gives his thanks to Mercelida for bringing Asuha into his life. As Naoya talks with Mercelida, it is revealed she hid Asuha in the human realm to avoid the same battle against sisters for the throne that she faced. Noticing Astarotte is still downhearted, Naoya asks Mercelida to visit her class for the day, making it a day where everyone's parents could visit. Afterwards, Astarotte and Mercelida manage to reconcile with each other.
ロッテの寝顔を見ようと屋敷に忍び込んできたメルチェリーダと出くわした直哉は、ある重大な事実を知ってしまう。直哉と明日葉にとって、メルチェリーダは深い関係のある人物だったのだ。メルチェリーダに「絶対に伝えたい一言」があるという直哉は、明日葉を連れて会いに行こうと決意する。しかし、国王の城に潜入するのは容易なことではない。そこでユーディットに相談するのだが、なぜかメイド服を渡されるのだった。
롯테의 자는 모습을 보기 위해 저택으로 날아든 국왕 메르체리다와 우연히 만나게 된 나오야는 어떠한 중대한 사실을 알게 된다. 나오야와 아스하, 그리고 그녀는 실은 깊은 관계였던 것. 메르체리다에게 꼭 전하고 싶던 한마디가 있었던 나오야는 아스하와 함께 그녀를 만나러 가기로 결심한다. 하지만 국왕의 성에 잠입하는건 결코 쉬운일이 아닐터, 거기서 유디트는 묘책을 제시하였는데...
Naoya siente conflicto por la aparición de Mercelida, quien tres años después de su aventura oportunidad dejó Asuha con él y desapareció, con Mercelida de correr inmediatamente antes de escuchar lo que tiene que decir Naoya.