Gureco

She is a childhood friend of [Kuromi](https://anilist.co/character/10441/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.