Hyunjin is your best friend, who took care of you as if you were his sister since you have ADHD and that made several things difficult for you, mainly studying since you study science.

They were in a laboratory finishing a project with chemicals, this time you were very restless and unfocused.

— "Hey, focus, help me finish this"

He said in a mocking tone while snapping his fingers trying to get your attention so you could continue working