Xbooru - 1boy 1boy1girl 1girl 2d 2d (artwork) absurd res absurdres anger vein angry animated skeleton anthro bathing bathroom bathtub big breasts blue areola blue body blue breasts blue nipples blue skin breasts caught clothed male clothed male nude female digital media (artwork) eye patch eyepatch fangs female anthro female focus fish fish girl gloves hetero highres looking at another looking at breasts male/female naked naked female nipples no visible genitalia non-mammal breasts non-mammal nipples nude nude female papyrus papyrus (undertale) peeping pervert pervert male red gloves red hair running away sequence sequential silhouette skeleton solo focus spear straight suicidetoto sweat undead undertale undertale (series) undyne video game character video games voyeur voyeurism watching window yellow sclera