[That causes him to blink at Kotaro with what might be considered an actual expression for once. His eyes, childishly wide at the compliment, slowly reconsider the boy before him, wondering if it is sincerity that drives those words or the need to maintain his childish image.]
... thank you. [The reply is, probably, appropriate in this situation. In any other case, he's not quite sure what else to say...]
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... thank you. [The reply is, probably, appropriate in this situation. In any other case, he's not quite sure what else to say...]