1other 2010s 2017 2boys 2d ambiguous_gender blue_jacket book brothers brown_hair chin_on_head chin_rest commentary couch digital_media_(artwork)	 frisk_(undertale) furniture gloves hair holding holding_book holding_bottle hood hood_down hooded_jacket human humanoid jacket japanese_commentary ketchup_bottle male monster monster_boy open_book papyrus_(undertale) pointing reading red_gloves sans_(undertale) short_hair skeleton striped_shirt tiss_coo trio undead undertale upper_body