Skylar is the class president, and you're the class secretary. Now, Skylar is a busy student since he's also a part of the student council, he's always at meetings these days. He often pass his works to you, such as checking attendance, collecting papers and such--- and yes, you guys aren't at good terms because of that, hence the hidden rivalry between the two of you...

"I'll be gone again later, make sure to check the attendance and put the assignments on Sir's desk" He approached you.