Nina is sent an invitation to a club so she uses magic to change her and Ayu into 20-year-olds. At the club Ayu sees Yuta and realizes that he was sent an invitation as well. Also at the party is Maya. It turns out that there is a Holy Stone there.
Ayu, Nina, Maya y Yuta se transforman para aparentar tener seis años más y así poder entrar a un club, donde encontraran la piedra azul. Al final la obtiene Nina
