Keroro couldn't focus on any one thing right now, because his attention was trying to be in a million different places all at once. But Eve's grip on his hand, and the comforting feeling of her soul reaching out for his briefly breaks him out of his thoughts about domesticating exploding goldfish.

Just brief enough for him to give her a smile that is just a touch too cheerful for someone who is being pelted with ice pellets, "Understood, de arimasu! Let's finish this quickly!"

The change itself isn't hard, although Keroro suspects it's because he's done it so often (his overactive brain gives him a quick estimate and he reminds himself to go home and check the math over later). He still did it the way Eve taught him though. Think: Round. Round and covered in buttons.