Beheneko: The Elf-Girl's Cat Is Secretly an S-Ranked Monster! (2025)

S1E1 The Elf Girl and the Knight's Vow

After a knight meets his end, he finds himself reborn as a baby Behemoth, an S-rank creature resembling an adorable cat. Meanwhile, Aria, a budding D-rank adventurer, takes him in, believing she’s simply adopting a cute little kitty!