Sayaka Nakasugi invites her classmates to her mansion for her welcome back party. Birdy investigates the site where she had killed Tsutomu in order to locate a marionette of non-Earth origin. Sayaka's maid Yoshio finds strange things have happened to her, which started to worry Sayaka's grandfather, Katsutoshi. Meanwhile, Nakasugi disappears from the Nakasugi Mansion after encountering a parrot, which was an alien being in disguise.
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