Cheerful Anime Woman With Soda In Retro Japanese Ad

Retro Japanese soda advertisement featuring a sun-kissed, cheerful anime woman in a floral bikini holding a sparkling glass bottle labeled with stylized Japanese characters for "KiraKira Cider" and a small lemon badge; mid-torso portrait, slightly angled three-quarter view, playful wink and bright smile, wet skin and water droplets, long dark hair with blue and purple highlights, tousled beach waves, subtle breeze moving strands. Vibrant saturated summer palette of turquoise, aqua, coral and warm gold, strong rim lighting and lens flare, glossy highlights on bottle and skin, sparkling bubbles rising around her. Bold vintage Showa-era Japanese typography and halftone dot textures, starburst callout and circular badge elements, light paper grain and slight worn poster edges for retro authenticity. High-detail anime illustration with clean cel-shading, soft painterly gradients, energetic composition, ample negative space for headline at top, evoke refreshing, fizzy, joyful summer beverage ad.