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!
Several weeks after that,
،بعد ذلك ببضعة أسابيع
Einige Wochen später …
Algunas semanas más tarde,
Algunas semanas más tarde,
Quelques semaines plus tard,
Qualche settimana dopo,
E muitas semanas depois...
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