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!
I-If you refuse...
...إ-إن رفضتِ
Wenn du sie ablehnst,
S-Se non accetti...
S-Se você recusar...
Если откажешься…