Yes, there is. He's one of Elsa's shinki too.

[And a few others', not that Hakkai sees the need to spread that information around.

Her laugh doesn't sound quite genuine, but then, if she's contemplating being in a place where instead of her own friends, there are strangers by their names, there's no reason for her to laugh genuinely. Hakkai returns her smile politely.]

Sanzang, then. Or I could call you Genjo, if that wouldn't be too familiar...