Mabel Rayveil

Mabel Rayveil is a recurring character in the Isekai Ojisan series. A member of an illustrious guardian family, the Frost Clan, and guardian of the family heirloom the Frost Sword, who befriends Ojisan. As a descendant of the Frost Clan, she is able to wield the Frost Sword and can conjure ice. She has a lovely singing voice but she doesn’t talk a lot, at least not till she meets Ojisan and Elf-san.