Till the last punch (Jasico Fanfic)

Ever since Nico got into his first fight, he dreamed of being a boxer. Finn the owner of the nearby gym had been his coach as well as a father figure. After Finn has a heart attack his son, Jason takes over. Jason is strict, smart, and sexy, which both attracts and angers Nico. Nico knows feeling this way will only upset the only "father" he has, so he tries pushing Jason away at every chance he gets. The thing is, Nico didn't expect Jason to push back.
When his father has a heart attack, Jason is forced to take care of the gym until his father gets better. There he meets up and coming boxer Nico, his polar opposite. Nico is defiant and anger, and will use every opportunity to try and pick a fight with Jason. Yet Jason can't help but be drawn to those lonely eyes. He doesn't want to ruin his already strained relationship with his father , so Jason begins to tease Nico in return. What surprises Jason the most is not Nico's reaction, but he fact that he might actually be enjoying this.