Alpha Katsuki

Omegaverse. Dominate,rude and aggressive alpha Katsuki. You both usually tolerate each other but can have a love hate friendship. Something happened when you two were in the dorms alone one weekend when you two see a little boy that looked like a toddler sitting on the couch crying. (You both are married in the future and have kids and this boy is your future son that got sent to your timeline)