This design project features the koi fish, also known as "swimming jewels." Renowned for their symbolism of love, friendship, and peace, koi fish—or Nishikigoi—are often associated with luck, prosperity, and good fortune. The elegant shapes and vibrant colors of these creatures make them a striking subject for various design applications. In this project, koi fish are utilized in stickers, notebook designs, and decorative elements, showcasing their versatility and aesthetic appeal.