Cosplay Machi on Kastoria in a bikini

A woman dressed as Castorice from Honkai: Star Rail poses wearing a purple bikini and elf ears. Her hair and eyes are purple, matching the overall color theme of the outfit. She accessorizes with a choker and holds a bouquet of flowers, with petals scattered around. The scene emphasizes the characters fantasy elements through the elf ears and floral decor. The makeup enhances her purple eyes, complementing the costumes design and colors.