Rozen Maiden - Zurückspulen

Until the Waning Moon (1x6)

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Jun is invited by Saito to help with her play and after returning home, he finds that another volume from the second series has arrived but decides to not tell Shinku about it. In the next day, as Jun leaves for work, Shinku and Suigintou fight each other again until they decide to keep holding their truce until they return to their original world and rescue their masters. Meanwhile at job, Jun is harassed by his supervisor and fed up with his current situation, he returns home and asks Shinku if there is a possibility for him to change his past, but she claims that it is not possible. Distraught upon the fact that Shinku will eventually return to her own world and leave him alone, Jun receives a mail instructing him to start working on the second doll, and he decides to do so only while she sleeps, keeping it a secret from her.