alphys anniversary cake candle closed_eyes fins flowey_(undertale) food fork frisk_(undertale) happy_birthday head_fins highres holding holding_fork moruineko multiple_boys multiple_girls papyrus_(undertale) sans_(undertale) skeleton smile speed_lines toriel undertale undyne

1boy arm_support black_shorts blue_eyes blue_jacket drawstring full_body gasterblaster glowing glowing_eye grin highres jacket male_focus moruineko motion_lines pink_footwear sans_(undertale) shirt shorts simple_background skeleton smile solo sweat undertale white_background white_shirt

1girl 2others =_= barefoot bloom blue_sweater blush_stickers boots brown_footwear brown_shorts chara_(undertale) child colored_skin delta_rune_(symbol) dress faceless frisk_(undertale) furry furry_female ghost goat_girl green_sweater heart heart-shaped_lock heart_necklace hiding hiding_behind_another highres holding_hands jewelry