gelbooruhttps://xbooru.com/index.php?page=atom&tags=2010s 2016 2d 2d (artwork) black hair digital media (artwork) glowing hair hand cannon humanoid humanoid robot kissing making out male male only mettacest mettaton mettaton ex mettaton neo nipepocip robot robot boy robot humanoid selfcest square crossover undertale undertale (series) video game character video games2024-06-26T16:07:36Zgelbooru