I'm tired of the same trope of the ML's relatives, or family, or yk, people you consider close and family to be really weird, like the weird jealousy trope, like it's giving incest, stop omfg, yk no mentally normal girl would act like that toward their cousins significant other, like???
like one of the other commentators/comments said, the male lead is a red flag, but the gray-haired son of a shit kisaeng is a black flag...
give my girl Eunha and her sister a break!