Quanxi (クァンシ Kwanshi), also known as The First Devil Hunter (最サイ初ショのデビルハンター Saisho no debiru hantā), is a Crossbow Devil hybrid and renowned devil hunter from China. She is a lesbian, she likes women. She finds no romantic interest in men. When a man tells her that they can turn her straight, she finds it annoying and would kill them. She is gentle with women.
She is capable of turning into the Bow Devil and consuming blood to heal.
She cannot see out of her right eye, so she uses her left.