Eris Boreas Greyrat

She is Rudeus' older cousin and also his student. When Rudeus was around seven years old, he taught her magic along with math and reading. She is a violent, strong tomboy and merciless towards anyone who holds negative emotions and intentions against Rudeus.\n\n \n (Source: Mushoku Tensei Wikia)\n\n No voice actors have been added to this character. Help improve our database by searching for a voice actor, and adding this character to their roles .