Hand-painted school festival poster, childlike thick paint AI Image Prompt

Hand-painted Japanese school festival poster illustration, childlike thick oil-pastel and tempera paint, rough brush texture, uneven hand lettering, bright primary colors, naive perspective, white scuffed paper border, cheerful but slightly uncanny handmade flyer. Vertical portrait poster. Background: blue sky with rough white clouds, scattered colorful music notes and stars. Headline: very large red Japanese characters "{argument name="headline text" default="文化祭"}" with thick cream outline, hand-painted, at top. Date: yellow hand-painted text "{argument name="date text" default="10月15日(土)"}" at upper right. Main subjects: two middle-school students performing at a culture festival, both faces hidden by flat rectangular beige-to-gray gradient censor blocks. Left center: girl in a white and navy sailor school uniform with red neckerchief, brown twin ponytails tied with red bands, holding a black microphone and raising one hand. Right center: boy in a white short-sleeve school shirt, spiky black hair, playing a bright red electric guitar with black pickguard. Poster text: 5 labels. Lower left on red sign above food stall: "{argument name="food stall label" default="たこ焼き"}"; lower middle on red sign near cotton candy stall: "わたあめ"; lower right on orange oval sign near chocolate banana: "チョコバナナ"; bottom left on green background: "みんなで"; bottom on red banner: "{argument name="bottom slogan" default="たのしく!"}". Festival items: 6 items - takoyaki stall tray with 3 round takoyaki balls and a black sauce bottle, red electric guitar, chocolate banana on a tray with colorful sprinkles, pink cotton candy on a stick, paint palette with multicolored paint spots, two theater masks at bottom right, one yellow smiling mask and one white sad mask with eerie expression. Decorations: 7 items - red music note near top right, pink music note above performers, orange music note at right edge, green music note at left edge, yellow star at upper right, yellow star at left center, orange star at left center. Composition: busy school culture festival advertisement poster, performers dominate center, food and activity icons fill the bottom third, all elements painted with thick uneven strokes and slightly messy edges.