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...
With just water and air?!
!بالماء والهواء فقط؟
Solo con acqua e aria?!
Só com água e vento?!
Только вода и воздух?!