Taehyung had also visited tutoring on Wednesday, and it had confused Namjoon to an unspeakable extend. He had felt like a rubber band in the hands of a two-year-old. The student had pushed and pulled him to his limits, until he was almost at the point of snapping. One moment the boy would be his cocky self and create some kind of tense atmosphere like the one between life-long rivals, but suddenly he would switch into a behavior Namjoon could only describe as seductive. Then, when the pull became almost unbearable, he would change to the professional innocence of an average student who just wanted to be tutored. To top it all, he even showed a clumsy and shy side.

In the end, Namjoon had been driven to the point where he had wanted to either punch the prat in the face or grab him by the collar and kiss him. It had been driving him mad. He no longer had been in control of himself.

With this in mind, Namjoon entered school on Thursday. He still was shocked at himself for having those inappropriate thoughts about a student, but, as much as he had tried, he had not been able to stay unaffected. The most cruel times had been when Taehyung had changed from seductive to innocent, because then, instant regret and disgust of his unspeakable longings had clawed Namjoon's stomach.

The worst part was that he could not find out whether Taehyung had intentionally tortured him, or not. The boy's mask was perfect.

So Namjoon walked into the classroom with an unpleasant feeling of queasiness. "Good morning," he greeted the class rather unmotivated, avoiding a certain pair of eyes. "Please collect the homework from Monday."

Sheets rustled when the texts were passed to the front. Ms. Park placed them on the teacher's desk and sat back in her seat.

"Now," he began, trying to sound more like his old self, "While I read your texts, you'll be rethinking your scene. Does the protagonist act in accordance with their character, or do you have to change the scene for the benefits of the atmosphere you want to create?" He paused for a moment to let the information sink in. "I'm sorry that you can't use your texts for support. The fire alarm ruined the timetable of my project. I'll hand them back as soon as I read them," he added and sat down.

The students took it as the sign to begin. Namjoon lifted the first sheet from the stack on his table.

Forty minutes later, he had almost finished his work and stared at the text of Kim Taehyung. Hesitantly, he began to read.

He is one of the calculative, rational people who would cling to numbers rather than follow their hearts. It is not like he is insensitive or emotionless, he just feels safer in the realm of logic and equations, where thoughts have a well-drawn path they can walk down carelessly. But this again makes him sound too easy-minded and too cowardly for the way he faces problems.

When he is put up to solve a mathematical problem, all emotions get wiped off his face, leaving nothing behind but calmness, silently moving lips, and an intimidating amount of focus, the last one surrounding him like an impenetrable wall. He will have solved the problem before one can make even the first stroke. No need to say, it is impressive.

But the most impressive he becomes when he faces a problem that is slightly foreign to him, regardless of the actual difficulty it holds. His eyes will light up with a certain kind of childlike eagerness that reflects his joy for taking challenges. Maybe he is just insufficiently challenged most of the time and urges for something that needs the whole capacity of his mind. No matter what it is that makes him dive into those problems like he breathes them, it is mesmerizing to watch.

The only thing that gives away that he is well aware of his cleverness is the smile that cracks up his face after finding the solution. One can literally watch the fight of intrinsic pride, almost smugness, and trained modesty that takes place on his face.

But when he morphs back to normal, the only thing that reveals the beautiful brain behind the handsome features are his way of speaking, which feeds the assumption of his tongue not being fast enough to translate his thoughts in time, and the smart eyes, which next to kindness and acceptance hold a spark of interest for everything they see.

You might understand me now when I tell you that why Kim Namjoon wanted to become a teacher is beyond me.

Namjoon was breathing way too fast. A strange mix of panic and awe was crawling under his skin, blocking all his thoughts for some seconds. How could this boy look behind his walls so easily? Had he written this text by just watching him during tutoring?

Nervously, he covered his face with one hand and tried to collect himself. This text was frighteningly intimate. Had he already crossed the warning sign and was walking through a field of landmines now without knowing it? Had he gone too far in keeping this going?

Taehyung had not even kept it impersonal anymore. He had closed the gap between plausible deniability and reality by simply adding Namjoon's name to his text. Only now Namjoon came to understand the whole impact of this little game. This was unhealthy.

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