Celestial VTuber Livestream Overlay

Prompt

{"type":"anime VTuber livestream overlay illustration","theme":"celestial night sky, stars, constellations, deep sapphire and white, elegant magical idol aesthetic","subject":{"character":{"name":"{argument name=\"character name\" default=\"蒼空なつみ\"}","gender_presentation":"cute young anime woman","hair":{"color":"{argument name=\"hair color\" default=\"pale sky blue\"}","style":"very long wavy twin-tail-like loose hair with a small ahoge, soft bangs, star hair ornaments and ribbons"},"outfit":{"style":"ornate celestial idol dress","pieces":["white off-shoulder blouse with puffy sleeves","large navy blue chest bow with gold star ornament","navy corset-style bodice with gold trim and constellation motifs","star choker necklace","small tilted white mini hat with blue ribbon and gold star accessory"]},"pose":"seated at a streaming desk, centered, facing forward behind a microphone and keyboard","expression":"gentle, calm, welcoming"}},"environment":{"setting":"cozy fantasy streaming room at night with a large window showing a star-filled sky","background_elements":["hanging star garlands and crystal ornaments","shelves with bottles, books, hourglass, telescope-like objects, and celestial decor","moon and constellation imagery outside the window","two fluffy mascot-like cloud plushies with blue eyes"]},"props":{"desk_items":["1 large vintage-style microphone on a stand at left of center","1 decorative keyboard with star-themed keys","1 nameplate reading \"蒼空なつみ - SORA NATSUMI -\"","1 parfait glass dessert topped with a small white bunny figure","1 small cup or candle holder with a cloud mascot"]},"layout":{"format":"full livestream waiting/talking screen overlay","sections":[{"title":"LIVE","position":"top-left vertical banner","count":3,"labels":["LIVE","20:30","05/20 Tue"]},{"title":"COMMENTS","position":"left panel","count":14,"labels":["星見たこ：こんなっつー！ ✨","夜空ヨル：待機完了〜！今日はどんなお話かな？","しろくまアイス：こんなっつー！","天の川りゅうせい：今日も可愛い！大好き！","ふるーすたー：も ふ ぷ","月見うさぎ：楽しみ〜！！","ななせそら：こんなっつー！ ☁️✨","Stella：きちゃー！( *´ω｀)","彗星カケル：配信ありがとう〜！","みずいろねこ：こんなっつー！ 💙","星屑ひかり：今日のサムネもかわいい…！","夜更かしの民：こんなっつー！","ゆめみがち：待ってました！","ハル：今日の衣装も最高に似合ってるぞ〜！"]},{"title":"social tags","position":"below comments panel","count":2,"labels":["@sora_natsumi","#なつみんらいぶ"]},{"title":"goal panel","position":"bottom-left","count":4,"labels":["目標：チャンネル登録者数 100,000人！","現在","58,320 人","いつもありがとう！チャンネル登録高評価よろしくね☆"]},{"title":"supp...