Muzan's Younger Sister [Kimetsu No Yaiba]
Hoshiko Kibutsuji. The first female demon [of a different orgin], and the younger sister to Muzan Kibutsuji. She loves her brother and was the one who had attacked that man who wore the hanafuda earrings. However, this decision of hers to protect her brother had left her severely injured, and had caused Muzan to grow...
