If I grow up to be a good child, my older brother will love me too much.

Four-year-old Julia Lavie recalls her past life, when she had not cherished living. "I will cherish my encounters, treasure my family, treasure my friends, and become a good person!" Raised as a good child while being adored by her perfect older brother in a world full of magic――but one day, when she reunites with Mikhael Lino, her school life changes!