For as long as Katsuki Bakugou had known Y/n, she’d been in a relationship. She seemed happy. And he… Was fine with that. Obviously. It’s not like he was desperately in love with her or anything. Certainly not. Y/n was a happily taken woman, he had no place in her life outside of being her co-worker. That is, until an opportunity presents itself when he finds out she and her boyfriend broke up.