Mito-chan is a quite new mascot (she was presented to the public just about 2 years ago), but she is already famous in her home city of Mito. So, no wonder that she is also present on the city's artistic manhole covers...
EXIF info:
Nikon Df
Lens: 24-70mm F/2.8G
Focal Length: 32mm
Aperture: F/5.6
Shutter Speed: 1/80s
ISO Sensitivity: ISO 320