I'm a 'Behemoth,' an S-Ranked Monster, but Mistaken for a Cat, I Live as an Elf Girl's Pet, Vol. 1

In this new series, a knight finds himselfreincarnated as a behemoth, one ofthemost powerful monsters in the world,and when he meets a beautiful elf girl,he'sready to fight at her side. Problemis, a baby behemoth looks an awful lotlike...ahousecat?!