Fics like Of Monsters and Mayhem

The Miya twins have spent half of their lives killing monsters. They’ve seen all kinds of horrors, but the massacres in Okazaki are something new. These killings are more brutal than most, the worst they’ve seen in a long while, and even their paranormal abilities can’t help them find the murderer. With the help of a droll barista and an old enemy, they start getting closer to the killer; but the Miyas soon realize that trusting anyone but themselves may have been a mistake.

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