4:5
ambiguous_gender
anthro
digital_drawing_(artwork)
digital_media_(artwork)
english_description
glowing
glowing_eyes
greyscale
hi_res
machine
metal_sonic
metallic_body
monochrome
outdoor_background
outside
raining
robot
sega
silvia_nexus_(artist)
solo
sonic_the_hedgehog_(series)
standing
