Vintage Creature Concept Art Sheet

A character reference sheet of a black cat named Kuro, shown with a main illustration, multiple orthographic views, expression variants, and detailed anatomy callouts. The design uses a vintage pencil sketch look with light watercolor wash on parchment paper, including forest habitat scenes and favorite item sketches.

Model: gpt-image-2Category: Profile/AvatarStyle: Watercolor/InkLanguage: en

Prompt

{   "type": "creature concept art reference sheet",   "style": "{argument name=\"art style\" default=\"vintage pencil sketch with light watercolor wash on parchment paper\"}",   "subject": {     "name": "{argument name=\"creature name\" default=\"Kuro\"}",     "species": "{argument name=\"creature species\" default=\"black cat\"}"   },   "layout": {     "sections": [       {         "title": "森の小径の黒猫 Kuro -クロ-",         "position": "top-left",         "description": "Profile text block with botanical flourishes"       },       {         "title": "Main Illustration",         "position": "top-center",         "description": "Cat walking on a forest path"       },       {         "title": "住まい：森の洞窟",         "position": "top-right",         "description": "Exterior view of a {argument name=\"habitat type\" default=\"forest cave\"}"       },       {         "title": "洞窟の中の様子",         "position": "mid-right",         "description": "Interior view showing a nest and a fish"       },       {         "title": "三面図",         "position": "middle",         "count": 4,         "labels": ["左側面", "正面", "右側面", "後面"],         "description": "Orthographic views with horizontal alignment lines"       },       {         "title": "表情バリエーション",         "position": "bottom-left",         "count": 4,         "labels": ["リラックス", "警戒", "好奇心", "驚き"]       },       {         "title": "Details",         "position": "bottom-left",         "count": 2,         "labels": ["目のアップ", "肉球"],         "description": "Close-ups of one eye and one paw pad"       },       {         "title": "毛並み・体の特徴",         "position": "bottom-center",         "count": 1,         "description": "Full body anatomy breakdown"       },       {         "title": "サイズ（参考）",         "position": "bottom-right",         "count": 1,         "description": "Scale reference next to human legs"       },       {         "title": "歩き方の特徴",         "position": "bottom-right",         "count": 3,         "description": "Small walking cycle silhouettes"       },       {         "title": "巣の様子",         "position": "bottom-right",         "count": 1,         "description": "Detailed nest sketch"       },       {         "title": "持ち物・お気に入りのもの",         "position": "bottom-right",         "count": 3,         "labels": ["鳥の羽", "丸い石", "魚の骨"],         "description": "Collection of {argument name=\"favorite items\" default=\"bird fe...