[Ginji just smiles back - he's kind of at a loss on what to say. It's not his place to get mad, but this mess should probably be cleaned up as soon as possible, huh?]

Haha... This is the first time I've seen anything quite like this happen before. Do you mind if I take a look at it? [Ginji gestures towards the washing machine, and is already on his way to check things out.]

Turning it off would probably be a good place to start.