*This is the sequel of my previous one shot , Déjavu . I changed a bit the timeline from the last part of Déjavu . I'm going to do a school life of them 

Halla is going to debut in a kpop group The Ark . Jane and her have to transfer school since they will move from their recent dorm . That school are filled with so many idol and a trainee that will debut soon . She is going to have the same grade as BTS's JungKook but in different class . During her free time , she will going to library or having a vocal practice since she have to improve if she want to stay long in the group . After recess time , Halla who already late for her acting class was walking fast to the acting room and she was bumped into JungKook who was on his way back to his class . There are weird sparks between them when they exchange gazes but since Halla have to rushes , she quickly left him . 

After the class ,she decides to hang out in the library for awhile to borrow books . That time , JungKook who also in the library suddenly felt something weird in his memory , something that painful . After he stabilize himself , she saw a girl was sitting on the floor behind the rack with her glasses , reading books . She is Halla . He couldn't bare the painful in his head even more after seeing Halla and decide to leave the library after that . What actually happen to JungKook ? Who is actually Halla to him ?