This was an utter disappointed from beginning to end. We have waited for two years to receive a second season and this is what they came up with?

The story could have gone into such a nice direction since I believe the idea of "love alarm" was original and had potential. However, they did not make use of it enough, in my opinion. They could have driven the story further by removing the shield from KJJ and her having to face her feelings. The main plot they had was, like in every drama, no communication. If everybody would have just talked to each other, all issues would have been resolved. Even in the end it was disappointing that she never explained HSO why she installed the shield and why she broke up with him. We only get an "I'm sorry" and that is it. We get no closure because a lot of things are left unsaid. Not to forget that the story takes place over a couple of years and not a single character has changed. They all remain the same and stick to not talking it out with each other. That was very frustrating.

As already mentioned, I fairly enjoyed the first season and that is why I was excited to see the second one. Already at the beginning I was confused since we never really get to see the outcome of the ending of the first season. Additionally, I do not know why they focused on KJJ and HSO so much in the first season, only to let her be with LHY in the end. Personally, I did not really feel the chemistry between KJJ and LHY at all. The scenes of them together in the second season did not feel genuine and I only waited for things to go wrong. I would have wanted more interaction between KJJ and HSO but HSO was basically irrelevant in the second season. The only thing that he did was harass KJJ, scream at her and stalk her. (I still do not know why people romanticise these things...)

Other storylines were completely useless since it did not do anything for the plot. The story of HSO's family did not really change HSO or his actions. Further, the story of PGM and CDG was disappointing. All in all, I did not enjoy the side stories.

In conclusion, I think the second season had a great base with the first 8 episodes but they did not realise its full potential. It is a long, slow-pace story which only frustrates you. I do not know if they had issues with filming because of the pandemic or something else but the second season seemed rushed and not thought-through.

Lastly, some scenes were filmed in a weird way. I do not know why some scenes were filmed in that particular way. For example, when HSO talks to YJ after he drives her home we never see their faces. It was supposed to be an emotional scene but it was only filmed from afar. (?) Also sometimes half the screen was covered with furniture or a wall but then did not have a nice transition to the next scene. (?) I think one time they tried to immitate a famous scene when they used a mirror to film LHY but I believe that was the only thing they focused on regarding filming.

In my opinion, just watch the first season and leave this one out. It is better to have an open ending in season 1 than going through the painful process of watching season 2 and being frustrated in the end.