The Sprite cat named Akari is a spirit that comes every year to give demons and spirits a ground cherry for the monster procession. She seems to have known Yuko before then.Akari thinks she is the best hostess in any world she has visited. Akari is in a picture in Yuko's warehouse.
Akari is a yellowish cat with big ears and eyes, who wears a kimono and carries a ground cherry. Whenever she gives a ground cherry away, a new one appears in her hand.