What exactly was she so troubled by?

Everything's ready and... I'll leave it up to you, Masuo.

Hmm... Baking... Temperatures are fine... Increasing the heat temperatures a bit.

Is he adjusting the temperatures with his mustache...?

Isn't he a gentleman?

The baking is done!

Quite a flat sound that was...

Seems he's imitating the ovens in the outside world.