“Thanks for being my last stroke of luck!”

September 2015—Kwon Min, a senior in the top 0.1 percent, accidentally uncovers the truth about Cha Yubin, the “transfer student” who keeps stealing twenty minutes of every mock exam in his dreams.

Thirty minutes a day, the two of them chase a mystery trickier than any killer exam question: the puzzle of luck and fate.

Even nineteen—an age that vanishes in the blink of an eye—holds moments so bright you want to grab them and never let go.