this omega ends up getting put in jail for breaking the teeth of an alpha after having been attacked while walking home. the omega was known to lure alphas by acting loopy and then breaking their teeth. this all started after he was sexuallyly targeted by an old alpha after the omega had forgotten to take his suppressants and went into his heat. now, the omega is really turned on by teeth, and when some alphas are assigned to look over the omegas in the prison the main omega decides to try and get the mask off of the male alpha and try and see his perfect teeth.
Haga-kun wa Kamaretai