It looked like they were on the same page, at least. Not having to explain the sickness was something of a relief, but then, it wasn't like the clue was any better. Most of the explanation could be left to the imagination, but that wasn't necessarily a good thing, in this case.

"A drawing of a stomach with a butterfly inside it," he replied plainly, fighting the urge to grimace. He knew exactly what sort of mental image that gave him, and apparently he wasn't the only one, as far as he'd been able to infer. But even so, he tried to scrutinize the man's reaction to this as closely as he could. ... It was possible he'd have a different interpretation. Kyousuke wasn't going to hold his breath, but he didn't want to dismiss the possibility, either.