Almost two weeks have passed ever since my plan to catch the culprit was set in action. After I installed the camera and bought new clothes, I had to wait almost a week until I found out who was behind ruining my P.E. clothes. They wanted to ruin my new clothes just before P.E. I'd bought another set of gym clothes in preparation, though, and went to P.E. normally. 

One girl gave me an especially nasty sneer, while some others raised their brows at me, in surprise or annoyance I couldn't tell.

After P.E. I checked my phone and found out who it was.

No surprise there, really. Those who had reacted to my appearance at P.E. were the ones.

Some days ago I told my driver, Namjoon, their names and this morning he's given me a folder containing some facts about their past. I waited to open it until now. Now that I am alone on the rooftop with no prying eyes from my class. 

Feeling the weight of the folder as I turn it around again and again, I hesitate.

"What's the matter?" comes a voice from behind me.

I don't turn around, I'm not even startled by his voice. He  surprises me on the rooftop all the time, so much I believe that even before my return he must've come here regularly.

Once, as we almost walked into each other -- me going up and him descending the narrow stairs -- he looked as surprised as I felt to see me. I think that he, too, needs to retreat to the rooftop for a piece of tranquility in this chaotic school. 

"I was just wondering... If I do blackmail them, will it really help? I don't want to add fuel to the fire, but I don't want to just endure their bullying," I voice my doubts to him even before I can stop myself. Maybe it's the rooftop with its feeling of isolation from the rest of the school -- the rest of the world even -- but I don't mind speaking honestly here. Maybe, though, I've just accepted Luhan as my ally in this little war. 

At this thought I turn around and give him a determined smirk. "But it's nothing, really. Like I'll stop after coming so far." 

For a moment he seems taken aback, before his lips twitch in what seems like amusement and something else I can't quite pinpoint. 

Then, as if snapping out of it, he becomes serious. "It's good you're determined, but be careful, okay?"

Somehow, I feel weirdly touched by his worry. 

Clearing my throat, I say, "Of course." 

And so I decide to go through the folder with Luhan, and we discuss and plan how to confront the culprits as we sit side by side on the concrete floor. 

"You really are cunning, you know that?" Luhan says at some point, raising his brows at me, but not in a chastising manner. 

I shrug at him. "I only know how to balance my lies and truths."

"But you may be a little too provoking? That girl, the leader, might react very aggressively. She always struck me as a very negative person, and her background info only proves it. Too much pressure, too little love," he mumbles thoughtfully.