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!
Y-You're wrong.
.أ-أنت مخطئة
D-Du irrst dich.
T-Ti sbagli.
V-Você está errada.
Ты… ошибаешься.