[he was somewhat serious! he figured she meant to tell him her secret identity, but... apparently she already did. he squints his eyes as he looks at her, trying to remember.
Arthur-san]
...Miss Hino? [he says it quietly, discreetly, though he's also unsure]
no subject
Arthur-san]
...Miss Hino? [he says it quietly, discreetly, though he's also unsure]