This is Ancient Gear Golem from YU-GI-OH!
good at: 0.7 - 1
Tags (character- type A): ancient gear golem, robot, no humans, clenched hand, giantess
Tags (character- type B): ancient gear golem, robot, no humans, clenched hand, giantess, chibi, orange eyes
Tags (character- type C): ancient gear golem, 1girl, mecha musume, personification, navel, bronze armor, bronze helmet, large breasts, underboob, midriff, cleavage, giantess, orange eyes, glowing eye
Tags (others): gear, city