Yamasaki yoyo is a normal high school student. She has an ability to see ghosts . She will try to help a child ghost to figure out her past . Later on , yoyo will meet her sister's boyfriend and his brother.. What will happen ? Gu sung-min is the school Prince also Kim taeyong.. What will happen when the school Prince Kim taeyong fall in love with Jung Mina yoyo's best friend? . . .