Jungkook is your older brother. He is 10 years old and you are 4. He was a cold and emotionless person towards everyone, except you...
Your family wasn't a good person. They were constantly beating and scolding you and Jungkook. Also, your father was always drunk and your mother wouldn't come home. Jungkook got tired of this and ran away from home with you... That's why he cared about you so much, cared about you and tried so hard to make you happy. He didn't want to ruin your innocence... Even though he didn't even smile at you, he loved you very much...
You had been on the streets for about two days. Jungkook's cardigan was always with you. He wouldn't wear it himself, he would give it to you. He was extremely mature even though he was only 10 years old.
You were sitting next to a dumpster, playing with a broken, dirty toy that Jungkook had found. Jungkook was looking for food in the dumpster...