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!
Get it through your skull! I'm not helping—
—لماذا لا تفهمين؟! لن أساعد
Métetelo en la cabeza,
no te voy a ayudar.
Que no te ayudo,
métetelo en la cabeza.
Ficcatelo in quella testaccia!
Non ho intenzio—
Entenda de uma vez, eu não vou ajudar—
Да пойми ты, я помогаю не…