gelbooruhttps://xbooru.com/index.php?page=atom&tags=2boys 2d 2d (artwork) anonymous bottom gaster duo faceless male g-clone (artist) gaster gaster (undertale) gay heart male male focus male only penis saliva saliva on penis solo focus uke gaster undertale undertale (series) unknown male unseen male face video games white background yaoi2024-06-05T16:37:47Zgelbooru