I.

“Relationships can be any association between sets of numbers while functions have only one output for a given input…”

“blah blah blah” Krystal sighed for the uptenth time burying her face on her palms. It’s Algebra again and she wasn’t exactly paying any attention on what her teacher is discussing in front.

“Who the heck invented this subject? My God! This is torture to humans!” she was mentally praying that this class would end soon. Krystal wasn’t dumb she just hated Mathematics just like every normal teenager of her age. She can excel in other subjects just not this one NOT ALGEBRA.

“Soojung you should focus. Mr. Kim’s looking at our direction.” Her friend and seatmate Sulli whispered at her “Stop sighing and don’t you dare take a nap again!”

“Fine. I’ll try my best.” She answered lazily while looking outside

This is so boring.

10 minutes later and her eyes are starting to slowly fall.

“Miss Jung? Excuse me Miss Jung?” she immediately looked up and saw her teacher already standing in front of her.

“Mi..Mister Kim.” She stuttered and sat straight up making all her classmates laugh silently at her

“I would really appreciate if you show more interest in my lessons Miss Jung.” Her professor said while turning his back on her “Okay. Class listen up!” and he started discussing again

“Hah.. whatever.” She muttered under her breath then tried all her best to listen and understand what her teacher is blabbing in front.

--

When class ended Krystal hurriedly made her way out of the room but was stopped by the non-stop vibrating of her phone.

“Hey what's wrong?” Amber asked when she noticed Krystal checking her phone

“I’ll catch up on you guys!”

“Mr. Kim again?” Luna teased but Soojung just rolled her eyes

“Ughh shut up guys! He’ll probably tell me to study harder. I’ll follow after this.”

Her friends nodded and Krystal cursed under her breath but she still waited for all the students to get out before going back to the classroom.

“Soojung.” Mr. Kim said softly when she entered the classroom

“Neh? Mr. Kim.” she answered while walking back to her teacher

“You didn’t listen to today’s lesson again.. what’s the matter?” he looked at her while loosening h