Tio is a person with a perverted personality who has an M status, but they are honest. The language she uses is similar to old legends. Her M personality was developed as a result of her defeat by Hajimes party in the northern mountains of Ul's village. She became devoted to Hajime and referred to him as "Master" in order to become his slave.
Tio originally came from the Ryujin tribe Clarce, half-dragon. Her magic and defense are significantly high especially in her Dragon form, even Hajimes party attacks only cracked the scales of this dragon. She is aged 563 years old and respected by Yue but not for so long. Her appearance is a woman of her 20s with "watermelon" chests and golden eyes. Her dragon form is e few meters long with golden eyes and has black dragon scales. Her job class is Guardian.