Gureco is a fictional wolf mascot created by the Japanese company Sanrio. She is a childhood friend of Kuromi and younger sister of Guresuke. Gureco is capable of using illusion magic. She first appeared in the third episode of the 2023 web series Kuromi's Pretty Journey where they reunited with Kuromi in Paris. Gureco admires Kuromi and is her apprentice. She always has a fixed smile on her face, even when she's feeling sad or angry.