we don't truly appreciate what we have until it's gone

— family abandons and mistreats fl, by the time they're sympathic and regret their actions it's to late and fl hates them.

— emperor regrets neglecting letting fl go because he loses all power and aid after she leaves him.

— ml regrets neglecting and mistreating fl by cheating and bringing home another ladies kid when she runs away and tries to break off their marriage.

— ml regrets mistreating fl and flirting with the rest of the harem after falling deeply in love, he tries to redeem himself to her.

— family regrets neglecting fl, and ex-crush only cares abt fl when she stops giving him attention.

— family members regret mistreatment and neglect of fl after her personality changes to that of indifference and maturity.

— creepy ex-fiance regrets his mistreatment of a past obsessive fl and father regrets neglecting fl's existence after seeing her heartbroken.

— shitty dad regrets mistreating his daughter as he starts to take a liking to her cuteness and the loving father figure role.

— father regrets mistreating and neglecting his fake daughter after she runs away as he started to like her attention.