Osaka Chibi Find-the-Duck Diorama

Prompt

{"type":"highly detailed isometric 3D miniature diorama search-and-find illustration","theme":"Find the hidden rubber duck character in Osaka during Golden Week","scene":{"location":"Dotonbori and Shinsekai-inspired Osaka shopping street canal","time":"bright sunny daytime with blue sky and fluffy clouds","mood":"festive, crowded, cute, playful, travel-poster energy","camera":"slightly elevated wide-angle view looking down a narrow street and canal, deep perspective toward Tsutenkaku Tower","rendering":"gpt-image-2 style, ultra-detailed toy-like 3D, chibi figures, glossy miniature plastic, warm realistic lighting, crisp signage, vibrant red, gold, blue and cream colors"},"main_objective":{"instruction_panel":"top right speech-sign panel with a yellow rubber duck icon and Japanese text {argument name=\"search instruction text\" default=\"ルヒアを探せ！\"}","hidden_target":"one tiny yellow rubber duck mascot named {argument name=\"hidden character name\" default=\"ルヒア\"}, visible but easy to miss, placed among the crowd near the center foreground, held at child height","search_game_feel":"Where's Waldo-style visual puzzle with dozens of distractions and cute faces"},"crowd":{"count":"approximately 140 chibi tourists and locals","description":"small round-headed Japanese anime-style children and adults with glossy black or brown hair, rosy cheeks, expressive eyes, casual spring travel clothes, backpacks, hats, cameras, snacks, takoyaki trays, ice cream, skewers and shopping bags","poses":"walking, eating, waving, chatting, looking up at signs, riding a boat, leaning from balconies"},"major_landmarks_and_props":{"count":9,"items":["large blue Glico running man billboard on the left building","Tsutenkaku Tower centered in the distant background","giant red crab restaurant sign on the left facade","giant gyoza dumpling sign on the upper right facade","large round white pufferfish lantern hanging above the street","yellow sightseeing boat full of chibi passengers in the canal","white paper lantern with red Osaka characters at lower right","golden Billiken-style lucky statue at lower right","small canal bridges and railings packed with spectators"]},"visible_signage":{"count":20,"labels":["Glico","グリコ","づぼらや","通天閣","I ♥ 通天閣","大阪王将","元祖 焼餃子","くれおーる","たこ焼・お好み焼","横綱","串かつ","名物 串かつ","かに道楽","たこ焼き","道頓堀 DOTONBORI","大阪","新世界","大阪名物","串かつ だるま","ルヒアを探せ！"]},"composition":{"foregr...