While exploring, the four girls spot a column of smoke rising and speed toward the rocks by the beach! Could there be people...? But what they find is...a hot spring?! They soothe bodies and spirits tired from their explorations together!
a Cepheid variable type,
 and it orbits around Polaris B,
متغير قيفاوي يدور حول النجم القطبي ب
è una stella binaria composta da Polaris A,
una supergigante gialla variabile Cefeide,
um tipo de variável Cefeida,
e ela orbita em torno da Polaris B,
который относится к классу цефеидов
 и вращается вокруг Полариса B —