On the right column, there is a male figure with a mask covering his face.

The mask of day and night covered his face, but Aria knew who he was.

She sat up, the mask still covering her eyes.

Although her mask covers one eye, Rose still retains both eyes in this series.

A mask covering the right side of her face and eye were also considered but abandoned after the initial character concept.

The new mask covered only his mouth and nose, giving her a view of his eyes.

A mask covers the head with a wig and perhaps a hat to complete the look.

Basil hides, seeing John with a mask covering his face.

One could see it in the clear tubes and the mask covering his face, looking like clouded water.

What the mask did not cover, the hood and the goggles concealed.