"Well, that explains the soap, at least!" Amaterasu finds the stairs leading up, and does a little hop off the surface of the water onto dry ... wood? She's a sundoggess, not a naval goddess. She does a remarkably regal little trot up to the third deck.

She's not bothered by her passenger, of course. He's certainly easier to carry than Susanoo "I wonder where it's all coming from. Perhaps that would be an adventure!"