Demon Slayer Tamayo and Barrette

You know the girl in our fanart Demon Slayer Tamayo and Barrette cursor pack, for sure. She is a central supporting character of Demon Slayer: Kimetsu no Yaiba. She is a demon, a skilled doctor, and a close ally of Tanjiro Kamado and his younger sister. During the Infinity Castle Arc and Sunrise Countdown Arc, Tamayo, along with Yushiro, joins forces with the Demon Slayer Corps to develop a drug that would aid in the defeat of Muzan Kibutsuji.