The gems flared deep within at her touch, and her smile hardened.

Behind his back, Chester's smile hardened.

His smile hardened at the corners of his lips.

His smile hardened, and a trace of sadness and regret lingered momentarily in his eyes.

His smile hardened into something which made her jerk away in consternation.

Ballou's smile hardened on his lips.

His smile hardened at her defiance.

Already the men liked this, and Hatsumomo's smile hardened a bit.

His smile hardened ever so slightly.

The smile hardened still further.