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!
U-Um, well...
...أ-أنا كنتُ
Ä-Ähm …
Pues…
Pues…
E-Ehm, ecco...
A-Ah... B-Bom...
А, ну…