Touched by Lady Winter

LANGUAGE WARNING: Contains curse words. Please do not read this book if you don't like that type of language.
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Samantha Rose. Nicknamed "Sam," she is the girl who is friendly and somebody who you couldn't help but feel drawn towards. Nonetheless, the Three, or the "Terrible Three" as Sam nicknamed them, had always picked on her. They were a group who had a fashion sense as bad as their IQ. The Three weren't actually just three people, there was four. The fourth member joined later than the others, and they decided that the Four wasn't a catchy name, so they stuck to their current one. The fourth member quickly climbed to the highest rank; queen of the Three. Sam was picked on, just for having good grades, being called a nerd, which wasn't that bad, since that was a simple term for saying that she was smarter than them. She barely beared it, though, because they took her things and constantly tried to beat her up.

Her life changed on that one December night.

After collapsing from too much exposure to freezing temperatures, Sam turns into a person that is hostile and unsocial, not going to school for a full year. After she comes back, everybody wonders, "What happened to that happy girl that made us all feel better on dark days? What made her into what she has become?" All they know is that the season known as winter caused it, from a time when Sam unconsciously talked to herself.

But what if "winter" is actually a person? What if Sam actually has another secret life, the life of an assassin? What happens when she has to go undercover in her school, back to the regular nerd she was, so that she can resume her learning?

This is the tale of how Mercy, Samantha Rose's assassin identity, went undercover as a nerd.