During the waltz scene, when he was slipping an arm around her back, he accidentally knocked her cap off her head.

“Sorry.” He picked it up and handed it back to her. She murmured something inaudible, hurriedly trying to cover up her hair again. But before she could, he reached up and gently tugged on her bangs.

Her eyes flicked to him in surprise and disbelief.

“I like your hair,” he said softly, and then turned away casually as if nothing happened.

She gaped at his retreating back, as her co-stars whispered among themselves.

“When has Leo-ssi gotten so clumsy?”