FINALLY! + SPOILER like until it's latest chapter spoiler

Finally! it became a manga. I've read the novel until its latest chapter (September 2019). Here's the spoiler:

SPOILER!
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SPOILER! I WARNED YOU!

The MC is named Leticia who's a brunette and the ML is named Clark [Kent. Joke.] who's the typical blonde prince. Leticia is a noble girl from the countryside who loves relaxation and fishing. Pretty much a 'tomboy' with how the novel described her. It begins with the cliche Leticia seeing a girl beside the ML aka Prince during a party or whatnot. If you think Leticia would be all sad, you're dead wrong because she celebrated when she saw a girl beside her fiancee aka Prince Clark. The reason why she celebrated like she hit the jackpot was that she really hated being the fiancee of the prince not because she hated said prince but because she endured 10 years of harsh Princess Training since she was 7 years old. The princess training was so harsh that even how you breathe is analyzed and being critically judged by the teacher leaving her calm and relaxing country side life crumbling away. While she was in her (deadly) Princess Training, she was really hoping the day that Prince Clark would end their fiancee relationship as soon as possible when he finds a girl he's interested in. Which goes back to the opening of where the both of them and the girl beside the prince. Leticia seeing this celebrated and told her brother that since the prince 'found' the girl he's interested in and being his fiancee doesn't qualify anymore, she convinced her brother to move back to the countryside and return to her dream life with nature. Having made a promise to Leticia that if the prince found someone else, he will let her go in which it was made.

The girl beside the Prince is named Brianna (though she's not important at all). Both Brianna and Clark were surprised that Leticia celebrated that Clark's partner for the party was Brianna instead of her and congratulated them thinking that they will be engaged. Skip to Leticia staying at the countryside where her home is, she fished at the pond and all of a sudden Clark appeared right beside her and told her that he didn't really say that their engagement was off (pity and sad for Leticia) and that the reason why he brought Brianna by his side was that to make Leticia jealous since he's in love with her but noticed that Leticia didnt notice him (notice me senpai) and never had any interest in him as well. With that said, since the engagement wasn't off cause Clark never said it was, Leticia begrudgingly has to go back to that [awful but not so awful] palace to be wed with Clark. Obviously, Leticia ran back to her house to pack and run away but couldn't since her brother and Buriko (Leticia's nickname for Brianna) -- I mean Brianna came to tell her that she got punished for scheming with the Prince by undergoing a month or so of Princess Training which was hell for her and couldn't even understand how Leticia survived. Even exampled how even how you breathe was criticized. So both the brother and Buriko stopped her (Buriko and Brother might have a thing going on if you see the novel's cover with them in the background).

Leticia being in the palace tried to escape many times (the window, attacking the made who looks like her and switched their outfits but failed and said maid saying that it's Leticia's own fault for staying in the palace and pitied the prince, a secret door via bookcase but was actually a door that connects to the prince's bedroom that works both ways, the room's door, she tried everything. yes, she's that desperate) but failed altogether. Buriko who visited then told her that she can't find any other girl worthy of being the fiancee of the prince besides Leticia is because Buriko told all the ladies in the kingdom that the princess trashing was so harsh and strict and whatnot that only Leticia qualifies which made all the ladies scared wanting to save their lives from the awful training. Clark who's trying to make Leticia stay tried to convince her that the Princess Training was over because she hated it and that he wants Leticia as his wife or else he will not take the throne (he's the only child of the king) and that he added a pond for Leticia to fish since she loves fishing and wont have to miss home. Leticia still doesn't want to be the fiancee, did a hunger strike, and find ways to escape but she can't anymore cause she's locked and that her wedding day is like the next day or three days? (very fast, i tell you. it was shocking cause i want her to escape hahah).

Being a big brainer, Leticia thought that there was a hidden escape room behind some secret bookcase but lo and behold, it's just a doorway that connects to the Prince's bedroom that works both ways. The prince made that so that if Leticia felt like wanting to go to his room then she can so easily. Being Leticia, she tried to runaway but got caught and was trapped on his bed. It's just a lemon tease and the prince wanted to save everything for the wedding night since Leticia is still pure. Leticia went back to her room and blocked the secret pathway using a table or the couch. The prince got moody and gave off the dark aura cause Leticia blocked his way to enter her room via bookcase so he entered her room the normal way using the door, locking it, and leaving her no escape.
BTW, if you noticed Clark, he's a Yandere so he never wants to let go of Leticia.

I find it a little hot for his methods but I really feel sad for Leticia since she suffered 10 years of Princess Training that she never wanted and was forced on being the fiancee of the Prince (cause her dad wants it for the sake of the family, i think) with marrying into politics instead of living the country life. You guys might think of me saying how about Clark? He loved Leticia for how long and she will feel loved and live in luxury since Leticia won't be doing any politics but it will be Clark who will do it. Clark is so handsome and you can't find any guy like him. For me, I can feel the anxiety and stress of Leticia throughout the whole novel, as hilarious as the story is. It's just that she was forced to and for 10 years, instead of having fun, she undergo harsh training that's its the etiquette version of military training. Idk, it's just my opinion but if you read the novel and remove all the lovey dovey, funny stuff, it's actually pretty sad.

ANYWAYS, I HOPE YOU LIKE THE SPOILER. IF YOU HATE IT, I'VE ALREADY WARNED YOU THAT IT'S A SPOILER.