Kinny's Manga

I might just be as slow as the mc idk, but what im getting so far (not rlly sure but ) is that our mc here is a dumbass and had a very concerning memory fluctuation which results him to forgetting literally a life changing event involving him and our black hair sad boy, and what i got from the recent chapters 36-8 ( i alrd had a sort of hint of it but i was rlly sure) is that the black haired dudes mum # herself? Bc black hair thinks mc is gonna commit which gives him a weird trauma trigger and then gives hints in the recent chps abt her death? And so the reason our mc and black hair split up was bc our dumbahh mc was spreading rumours abt black hair , but tbh we dont know for sure if he spread it or not, could be a misunderstanding and i HOPE it was a misunderstanding.. and yeah i feel bad abt the lil sis too but erm she only making things harder ngl..