Rule 34 Dev - 2023 animal_humanoid bangs big_breasts blue_body blush breast_expansion breasts clothing cute cute_face dialogue ear_fins expansion eyeshadow fin fish growth_drive hair hair_over_eye huge_breasts humanoid japanese long_hair looking_at_viewer makeup marine marine_humanoid monster motion_lines nervous nipple_outline one_eye_obstructed pink_clothing pink_sweater pink_topwear ponytail pupils red_eyeshadow red_hair red_pupils scarf simple_background solo speech_bubble sweater topwear translation_request u undertale undertale_(series) undyne white_background white_scarf|8723399808