"I will," she says. "I promise!" She turns, then, and kisses Cu on the nose, than runs into the surf. She swims out a few meters, and seals bark a welcome at her. Then she disappears beneath the surface.

There's a flash of white-blue light, and when she pops her head up again, she's a smooth, white seal. She barks at Greta, a happy sound, before diving back under for her swim.