Once a villian, always a villian (Villian!katsuki x reader)

You were on a patrol as usual until you heard an explosion not too far from where you were 'There's only one villian with a quirk like that, Zero-V' you thought as you ran there not using your quirk until you got there. . . . .when you got there you were face to face with the ash-blonde with red eyes, the Explosion king himself, or as you once knew him as 𝗞𝗮𝘁𝘀𝘂𝗸𝗶 𝗕𝗮𝗸𝘂𝗴𝗼𝘂 the U.A student that was so focused on being number one until he was kidnapped by the L.O.V and they convinced him to join their League.
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What will happen to you as you journey into your love with Katsuki Bakugou?
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I do not own you or any of the characters mentioned in this story I only own the quirk and an oc in the book that will be mentioned.