[She frowns, but only for a moment. She holds his hand, reassuringly.] Maybe you just forgot and you'll remember it later. Everyone's born with a name, so I know you have one too.

[...then an idea popped into her head.] Maybe you can give yourself a name until you remember! Something that describes you...hm, like how your hair is so green and you're young...maybe Haru? It means springtime, when new life is born and all the leaves in the trees turn green again after a cold winter.