Forbidden Letter - JongSang

The mid-year break ended, marking the beginning of another semester. He only had six more months of teaching to finally get his much-desired vacation, or at least that's what Jongho thought until he received a letter on his desk.

He thought it was just a one-time thing, like a student wanting to show their admiration for his teaching, but the letters continued, each one different from the other and sometimes even accompanied by a handmade gift.

This intrigued the professor, who suddenly found himself waiting for the letters, slowly falling for someone he didn't know.

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On the other side was Yeosang, the student who always came early for class and stayed longer than necessary... just to admire the beauty of a certain someone, even if it was only a few seconds more.

But something changed him during the break, giving him the courage to do more than just observe in silence. And that's when the idea of ​​the letters came to him.

He wouldn't need direct contact with anyone, to be face-to-face; he would simply demonstrate all the love he possessed through written words and small gifts.

Or so he thought.

For Jongho was determined to solve this mystery, just as he did with calculations...