In their quest to build a rocket, Umika and her friends decide to visit Matataki, their classmate who is a skilled engineer, but doesn't attend classes. However, they soon find out that this mechanic's got one short fuse!
In the spring of my second 
year of middle school,
،في ربيع سنتي الثّانية من الإعداديّة
In meinem zweiten Mittelschuljahr
En segundo de secundaria,
En segundo de secundaria,
À ma rentrée en cinquième,
Nella primavera del secondo anno delle medie,
Na primavera do meu
segundo ano ginasial,
Весной второго года средней школы