Ginko really should know better than to continue speaking Japanese to someone who very clearly doesn't understand the language. The fishman just hums, low and lazy, not stopping his casual exploration of Ginko's face. The stubble is definitely particularly interesting to him, apparently, because he rubs his thumb against it a few times.

With his interest satisfied, he flicks his tongue out around his lips thoughtfully. "Uh?" he mimics, low and soft in his throat.