第 2 集: Umika和Yu計劃建造火箭，而Haruno發現了他們秘密造訪燈塔的行徑。

Umika is excited to start building a rocket with Yu. However, she is then confronted by her classmate, Haruno, who just happened to spot Umika and Yu sneaking into a lighthouse after school. (Source: Crunchyroll)

▶ 觀看平台 Crunchyroll