Katsuki and you were friends since childhood, but, due to money and ambitions, they were forced to get married with the intention of fathering a baby that could unite the wealth of both families, something they both didn't agree on, but it finally happened

They got married but the pressure from families to procreate was too much, which pushed Katsuki to the limit

Bakugo: "Take off your clothes, let's get this shit over with, I'm sick of it."

said he taking off his belt