Ep. 7: Can You Say Goodbye?

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With the sixth Maguar destroyed, D.D. tells Hikaru she must part ways with Tsubasa and return with him and Orudina to their home planet; in addition, D.D. must wipe the entire town of all memories of Hikaru. After realizing that Tsubasa and Hikaru are working on the school play, D.D. asks Orudina to delay their departure by two weeks. During rehearsals, Hikaru suddenly breaks down and cries in front of the class, as the play involves Tsubasa's character losing her memories. As the class finishes its rehearsals for the play, D.D. and Orudina discover that one of the Maguars spawned several more eggs within Hokkaido. The next day, the class successfully presents its play, with Hideo filming it in the front row. Meanwhile, Kuroda discovers Maguar remnants while surveying the damaged grasslands and gives the sample to biologist Dr. Taki. (Source: Wikipedia)