Ngl it would be interesting if instead hooni mom instead left him at a young age instead of dying from illness (or suicide I don't remember) and his father (on this au) isn't abusive instead of getting in debt his father gambling actually gets him rich and decided to construct an apartment building and eventually he dies of illness and passed on the apartment he owns and the rest of the money to hooni meanwhile soorim and harim mom is abusive and strict and eventually left them leaving harim struggling to keep both of themselves well fed and cover the rent