I'm a "Behemoth," an S-Ranked Monster, but Mistaken for a Cat, I Live as an Elf Girl's Pet summary: The life of a valiant knight came to a tragic end on the battlefield, only to be granted a second chance by being reborn as a formidable behemoth. However, the knight is bewildered when he realizes that the offspring of his new species is indistinguishable from beloved kittens. Despite being perceived as adorable and huggable, the knight's warrior spirit is unwavering, fueled by the might of an S-ranked monster. This strength and nobility will be tested as he battles fiercely to safeguard the stunning elf who has chosen him as her companion.