Hell Girl
Three Vessels: The Six-Script Lantern (3x13)
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Azusa Mayama feels that chief of investigation, Norihisa who is Akie's father, halted investigation on an automotive accident involving her father and a son of the prestigious Tsujinobashi family, reporting it as an accident to prevent the truth from being known. In order to get revenge, she befriends Akie, intending to betray her.