Jungkook is the most popular boy because he is attractive and quite smart, and Yumi is the most popular girl because of her looks.

Jungkook and Yumi are enemies, but he secretly keeps an eye on them even if they are enemies but it doesn't bother Jungkook, but does it bother Yumi?

A boy just tried to convince her to go on a date with the guy, but she refuses. Jungkook noticed and then suddenly pulled her into an empty classroom.

“So do you need my help, darling?” with a flirty tone