Blue Skies (My Oc Story (SEVENTEEN,BTS))

Kumii is a normal girl and wants to live a normal life until something bad happens to her family she wants to get revenge on that one person who killed her family but she is to weak,small,powerless and can't fight what can she do to get revenge? When she trys to get revenge she is only a little girl so when she gets there something happens and she loses all her memories and gets stuck there let's see what will happen later shall we?