In a bustling ocean during a Halloween festival, a family of adorable polar bears dressed in colorful yukatas are joyfully sailing on a yacht. The white bears contrast beautifully with their vibrant, traditional Japanese outfits, and their happy expressions reflect their enjoyment of the serene sea. The yacht sails smoothly through the water, surrounded by festive decorations, creating a delightful and whimsical scene full of warmth and celebration. --ar 1:1 --niji 6