Kabayaki is served with rice, and the dish has various names depending on presentation. The grilled unagi photographed here is a version served in a lacquer food box called unajū.
EXIF info:
Nikon Df
Lens: 24-70mm F/2.8G
Focal Length: 48mm
Aperture: F/7.1
Shutter Speed: 1/60s
ISO Sensitivity: ISO 4000