alien (1979), alien (series), gundam, mobile suit gundam
xenomorph
kusagami style
1970s (style), 1girl, alien, breasts, extra mouth, mecha, medium breasts, mobile suit, monochrome, monster, multiple mouths, nested mouths, nipples, retro artstyle, robot, science fiction, simple background, sketch, topless, white background
bad id, bad pixiv id, photoshop (medium)