Chibi Catgirl Penguin Sticker Sheet

Goal: Create a cute chibi sticker pack sheet featuring {argument name="character name" default="a white-haired catgirl"} and {argument name="mascot character" default="a small navy-blue penguin"}, designed as a deliverable preview with four tiny alternate sheet thumbnails stacked along the far right.

Canvas: Square-ish white background, about 4:3 ratio, with a large rounded-corner white sticker-sheet panel occupying most of the image. Keep generous spacing between stickers. Add a subtle app-preview feeling: on the far right edge, show 4 small vertical thumbnail previews of similar sticker sheets, one above another.

Visual style: Soft anime chibi illustration, glossy sticker-pack look, clean white background, pastel colors, thick but gentle outlines, expressive faces, slight drop shadows, handwritten Japanese text in bright gradient colors with small hearts, sparkles, motion marks, and moons. Main character has long fluffy white-to-pink hair, cat ears, blue eyes, pale skin, a pink cat tail, oversized blue hoodie, short dark skirt or shorts, yellow socks, and sneakers/boots. Mascot is a round navy penguin with white face and belly, orange feet, wearing a matching small blue hoodie in some poses.

Layout: Arrange exactly 9 large stickers in a 3 by 3 grid on the main sheet. Each sticker combines the catgirl, the penguin, or both, with a large Japanese phrase above or beside them.

Sticker count and content, exactly 9:
1. Top left: catgirl waving happily with the penguin beside her, orange/yellow text {argument name="morning greeting text" default="おはよ〜"}, small orange motion lines.
2. Top center: catgirl and penguin bowing politely, orange text {argument name="thanks text" default="ありがとう!!"}, tiny pink heart.
3. Top right: catgirl saluting or touching her head while hugging/holding the penguin, blue text {argument name="work appreciation text" default="おつかれさま〜"}, small yellow sparkles.
4. Middle left: catgirl giving an OK hand sign and smiling, penguin smiling beside her, lime-green text 「OKだよ〜」 with yellow stars.
5. Middle center: catgirl apologizing with hands together and teary eyes, penguin bowing beside her, blue text 「ごめーん」 with sweat drops.
6. Middle right: catgirl running energetically with flowing pink hair and tail, penguin running behind her, red-orange text 「いま行くー!」 with motion emphasis.
7. Bottom left: catgirl and penguin bowing shyly, pink text 「よろしくね」 with a small heart.
8. Bottom center: sleepy catgirl hugging a star-pattern blanket or pillow, penguin in a blue nightcap and hoodie, purple text 「おやすみ〜」 with a yellow crescent moon and stars.
9. Bottom right: catgirl waving goodbye with the penguin waving beside her, orange text 「またね!」 with small orange motion lines.

Constraints: Keep the image clean and sticker-like; do not add extra main stickers beyond the 9 listed. Preserve the Japanese text exactly as written. No watermark, no photorealism, no cluttered background.