Isekai Cat and Grumpy Witch is a Manga/Manhwa/Manhua in (English/Raw) language, ANIMALS ISEKAI FANTASY series, english chapters have been translated and you can read them here. You are reading Isekai Cat and Grumpy Witch chapters on ManhwaZ, fastest updating comic site. The Summary is
Deep in the forest lives a lone old woman. One day, she summons a creature; not a dragon, not a chimera, but an ordinary cat from our world. Thus begins the daily life of a witch and a cat in the corner of another world.