Dandadan 3 - Yukinobu Tatsu
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Okarun, a high school boy obsessed with supernatural phenomena, has lost his precious family jewels in a battle with Turbo Granny! His classmate Aira ends up finding one, and it awakens spiritual powers within her.
Around this same time, a strange woman in a red dress appears at the school and attacks Aira, Okarun, and Momo!
Who is she, and what's with her obsession with Aira?