Rio MUKAI

Rio Mukai is a young elementary school student who lives in the town of Kuro. She has brown hair and pigtails, and she is a sweet tooth. She is also a bit of a troublemaker, and she often gets into trouble with her friends. However, she is also a kind and caring person, and she always tries to help those in need. One day, Rio is walking home from school when she sees a strange creature. The creature is a black cat with red eyes, and it is sitting on a fence. Rio is curious about the creature, so she approaches it. However, the creature runs away, and Rio chases after it. Rio chases the creature all the way to the Kuro Shrine. The creature runs inside the shrine, and Rio follows it. Inside the shrine, Rio finds a young girl who is crying. The girl's name is Kuro, and she is a witch. Kuro tells Rio that she is being chased by a demon, and she asks Rio for help. Rio agrees to help Kuro, and she and Kuro set out on a journey to find the demon and defeat it. Along the way, they meet a variety of other characters, including a talking cat, a magical girl, and a samurai.