Into the Rose Garden (trigger warning) This is a lot more complicated than that, not exactly what you're asking but it's somehow close to that. I totally recommend it if you can handle rape assault angst blood abortions etc (it's not romanticised)
They realised their feelings before one of them died, wdym... Jing
no he was in denial most of his life, he didn’t want to admit he liked him at allll he only starting to admit it to himself when uhh what’s his name, jake G, died. yk that scene where heath holds his and jake’s shirt, that’s when he knew he shouldn’t have been in denial
bl where mc only realize their feelings for ml when the ml die? Any genre, tragic is good too