Rereading, I finally figured out what the wonderful and inexplicable Aussie accent the translator gave him reminds me of, and where the voice my brain was reading it in came from: Battle Construction Vehicles
But man, the stuff she made was world-class, mate.Eh?Was I supposed to?Didn't she just make too many? All she did was ask me to help get rid of 'em.Didn't you get any from Igarashi-chan?What, me?Ah, gotcha.Just talking about Valentine's.And how'd you do, Takeda-san?