gelbooruhttps://xbooru.com/index.php?page=atom&tags=1boy 1boy1girl 1girl 2016 2d 2d (artwork) breasts digital media (artwork) duplicate faceless female female femsub hair hair over one eye humanoid humanoid robot low res lower resolution duplicate lowres male male/female male focus maledom mettaton mettaton ex nipples penetration robot robot boy robot humanoid seme mettaton sex sinningskeletontrash straight top mettaton undertale undertale (series) unseen female face video game character video games2024-06-16T07:26:35Zgelbooru