Create a cute, quirky girl with medium-length black hair styled in a messy updo with colorful accessories and hairpins, featuring stars, flowers, and playful shapes. She has a small, mischievous smile and holds a glass of tea. The scene is set in a cozy, warm-lit environment like a traditional Japanese izakaya. The overall aesthetic should feel lighthearted and whimsical, with attention to the details of her playful hairstyle and the casual, comfortable vibe of the setting --niji 6