Chiro

Shes Rurumohttps://anilist.co/character/66769/RurumoMajiMojirukas magical familiar a purplefurred cat. Chiro is the one that informs Shibakihttps://anilist.co/character/66767/KoutaShibaki that once he uses up all 666 tickets that Rurumo gave him he will die. She is able to transform into a human girl at will in which form she becomes a tanskinned teenage girl. She used to be a stray cat who tried selling magic wands for a living but Rurumo offered her to become her familiar for which shes very thankful.