In September 2015, Kwon Min, a top 0.1% student, accidentally uncovers the truth about Cha Yubin, the phantom student from the next class who stole 20 minutes of his mock exam. For 30 minutes a day, the two unravel a mystery of luck and fate more complicated than the toughest exam questions. A story of all the shining moments we want to hold onto—which also came to us at nineteen, an age that was ending in the blink of an eye as the final day-count dwindled. (Source: Naver, translated)