Naedoko Demon's Ground: Naraku no Haramihime The Animation(2019)

Naedoko Demon's Ground: Naraku no Haramihime The Animation is a dark fantasy anime series following Leroux, who vanishes while traveling to the capital in search of tamable monsters. Her cousin Eliza and her wolf companions track her to a mysterious cave, only to uncover a horrifying truth: the Akurem Knights operate a sinister operation within, capturing female adventurers and subjecting them to unspeakable fates. As Eliza discovers the imprisoned Jard and learns the knights' true purpose, she and her allies find themselves trapped in the same nightmare. The series blends horror and fantasy as the characters fight for survival against overwhelming darkness and supernatural threats lurking in the depths.