Bonjour tristesse (French: Hello Sadness) - S1.E20

Having defeated the Mirror Man and his followers, Anita and Yomiko pursue Junior, and Yomiko shows Anita how to fly her paper plane. Junior rides in a helicopter with the drugged members of the group and threatens the pilot. When Anita and Yomiko reach the chopper, it explodes. Filled with rage and despair, Anita blames the entire situation on Yomiko, and throws the book into the helicopter's wreckage. She returns to her old school, meets Hisami to ask her for help, but Hisami does not recognize her.