✘Driven by Instincts ᗩᖇᑢ 2

»🅐🅡🅒 ②«
''Can I know why? You're wearing a muzzle that is.''

''I'm almost in rut''
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Katsuki's behavior changes as the end of the school year approaches and the class seemed ok with it for a while before it starts getting out of hand. his scent is more prominent when entering a room, his anger gets the better of him more often the normal, and bears his teeth with the intention of using them. The most worry-some aspect of this behavior is that Izuku doesn't seem to keep away from katsuki , concerned. Izuku learns the hard way of Katsukis strange behaviour when his rut starts and puts Inzuku into an early heat. His first heat.
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These can be read out of order you'doud like. if doesn't really matter but 1-𝟐-3 is best when reading each arc. you don't even have to read all three of them! It's the readers choice.
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-lime (semi-sexual)
-fluff
-ABO dynamics
-heats and ruts