This story is about a psycho killer who fall in love with a childlish girl. The psycho killer name is jungkook and he is 22 years old and The childlish girl's name is yn who is 19..her parents leave her alone when she was just 9... She is living alone.. Her look is "big doe eyes,smooth pink lips, sharp nose l, V shape face,cute chubby cheeks,long black hairs,Bright glowing face.. And the boy has a cute bunny smile,bright glowing face, dangerous glare..