Before mentioning anything about the leads, I have to talk about how much I loved the family dynamics in this drama and how it really delved into it. Not just for the FL and ML, but also for a lot of the supporting characters. It focused on a lot of different types of family dynamics: biological families, adopted families and step families. It has abusive families, abuse in different forms as well as very loving and non abusive families. I've also never seen this many orphans in a Kdrama, especially where the main plot isn't neccesarily about the characters being orphans.

I LOVED this drama. I LOVED the FL, how smart and strong she was to deal with everything (loss after loss) on her own. And I LOVED the ML, he was refreshing, despite being rich and having everything, he wasn't always rich and so knew the value of every penny, litterally every penny. He was so sweet and in his own way, he was the kind of male lead the treated everyone cold but had a soft spot for the FL and only the FL.

I loved that the ML and FL met when the FL still had everything, so that the ML could see her at her best and then at her worst when everything starts to go downhill.

I also LOVED the SML and slowing growing to despise him more and more each episode. I loved that we didn't have the typical sweet SL who did everything for the FL only to be "friendzoned". Here, he be deserved it and so much more. Despite how sweet he seems at present, he is a snake. His past self may seem bad for dumping the FL the way he did with an outright cruel justification, his present self, even when he's "good" showed just how little he thought of the FL, believing himself to be her knight in shinning armor. One she did not need from anyone. But I also loved him for being so protective off her and loving her (in his own toxic way), I would have despised it where he the male lead though. I loved all the scenes where he would care for the FL and try to come to her rescue. I had a strange love/hate for him, he's usually the kind of toxic male lead I love watching in a (moderatly) toxic drama. His character development is him essentially getting worse and worse every episode.

I LOVED the ending. I was so happy that the leads stayed together until the end, no break up, just adorable bickering.
I think everyone got the ending the they deserved, maybe not the step family, but I didn't care for them much.