The Proximation of Hello and Goodbye

On a cold, stormy night, Katsuki finds himself walking into a small cafe. Here, he meets an unassuming Izuku, who he can't help but feel attracted to in some way. He wants nothing more than to get to know him better, but Izuku has his walls built high. Katsuki may be on official business, but he decides to make a mission of his own: to win the affections of Izuku Midoriya, a taken man.

As they transverse the twists and turns of their friendship, secrets come to light that raises tensions and stakes. With the risks at an all-time high will Katsuki be able to put his feelings aside for the sake of his mission? Is there any way he could be a true hero not only to a world that needs him but to an unaware Izuku as well?

I do not own the characters from MHA, only the plot and OCs.