Unexpected migration

Everyone has hobbies to spend their time, including me, My hobby is reading novels . 

It includes a romantic novel that I was reading recently about dating, but the main character is very shy and is not good at dealing with girls and heroines . 

Although it is a good novel in my opinion in terms of building a world and secondary characters, I find it strange and incompatible in making the hero shy and dense in other situations in a novel that depicts romance and dating methods. 

So I rated this novel with half a star and left a note in which I mentioned the negatives of the hero and the reason for the failure of the novel to win over

I continued my day as usual and went to sleep at night 

After a while, I suddenly woke up to find myself in a strange place, but it seemed familiar. I looked around to know where I was, but at that moment a wave of pain swept over me in my head, as my memories and the identity of this body entered my head. 

After a while, the pain stopped and I absorbed the new memories and understood where I was 

So I am in what is called the Magic Kingdom. It is not a kingdom in any way, but it is a city affiliated with the Magic Academy, and I am one of the students in my first year. 

I don't know if it was a dream or real because it's hard to believe and I don't know how I got here because I only slept and didn't die and then moved like other isekai so I'm very confused. 

So I sat down and started thinking about my situation and trying to sort through these memories to figure out why I was here 

After an hour of thinking, I understood my new identity a little. So, in short, this body is for an additional character in the dating novel, and I learned from his memories that he had been sick since birth with a weak heart, and he died of a heart attack, and he did not know much about his illness, as he hid it because he might not be accepted into the academy due to his limitations. His future with his illness . 

So he died of a heart attack and I replaced his body, so I thought that since it's a magical fairy world, there might be a system or a hidden talent that might help me. 

And the situation decrease !! 

? 

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( Author : This is the first chapter. Please comment to clarify a typo or problem, because English is not my mother tongue. Thank you for reading ).