2001

Jeongyeon yawned for the fifth time in her lesson.  Should I go back to 2017?  She often asked this question in her mind.  She thought things should be different if she entered university but it’s been a little bit boring lately.  Jeongyeon had been the top of the class for 4 straight years, it not hard to get A+’s in History if you had the power to time travel.

Nevertheless, she kinda missed her parents, her younger sister - Chaeyoung, her ex-girlfriend - Sana, her high school friend - Sejeong and… Dahyun.  

Thinking of her made her own eyes watery.   

“Chou Tzuyu?”

“Here, sir.”  A girl’s voice could be heard from the back of the room.  Jeongyeon immediately turned around, Tzuyu usually doesn't attend classes.  Strangely enough, Tzuyu always passed all her subjects.  Jeongyeon’s look caught Tzuyu’s attention, they both smiled and count that as a greeting towards each other.  Both of them had been in almost every class since freshmen.  There wasn't much conversation between them, but they did know a fair bit about each other.

“Yoo Jeongyeon?”  The professor called out the roll.  “Here, sir!” Jeongyeon raised her hand.

*****  

Jeongyeon was chewing the rubber of her pencil when professor dismissed class, “Make sure to hand in your paper in next week’s lesson.”  Jeongye