*p/s : Actually , YeIn name just pop up to my mind . I don't know much other girl group that have '97-'98 range . I doesn't mean her to be in this chapter . For YeIn's fan,  I'm sorry . 

It's recess time . JungKook make his way to the school's rooftop . He have to practice . For 15 minutes , he use the time very well . Not like yesterday night . When he about to go back to his class back , a girl is waiting for her at the stairs . She is YeIn , her ex-giirlfriend . 

'Great time , huh ? ' --YeIn . JungKook just passing through her .

'Goodluck !' . 

JungKook stop his step , 'I don't need your wish , I can do even better if you don't wish me . By the way , mind your own business. We don't have any relationship , right ? Just take care of yours and I will take care mine . So , get away from my sight ' . Then , he continue down the stairs while YeIn 'I will make you comeback to me , one day . Just wait for it , JungKook ' 

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The bell ring , all students are preparing to go back . They are packing their bags . JungKook is preparing as well . Then , YeIn is waiting for him in front of his class . JungKook recognize her existence there . When he about to go out of the class , 

'JungKook-ah' , he stop his step .

'What ? I had warned you , right ? Please get away from my sight ' --JungKook without turning his bo