Oh this is bad, she is starting to think strange thoughts again.
'Even if he is handsome Ibuki Sumirre you cannot jump on him and eat him.'
"What's wrong?"
"No=nothing." Sumire averted her gaze. "An-anyhow Yuhi-san, which girl did you take up here?"
"Hm?"
"Don't act so casual. I saw how naturally you booked us a room!"
It means he has been here before. Before it didn't bother her, all those rumors and all those other women. But now? Now the situation has changed. She can't control her growing feelings for Yuhi. She wants everything about him to be hers.
That last part sounds too possessive and strange so she can;t talk to him about this. Sumire recalled the words she told Hino. Hino told her that Yuhi would be happy if he heard those words.
