I'm a Behemoth, an S-Ranked Monster, but Mistaken for a Cat, I Live as an Elf Girl's Pet (light novel)

I'm a Behemoth, an S-Ranked Monster, but Mistaken for a Cat, I Live as an Elf Girl's Pet (light novel) is a 1-book series first released in 2018 with contributions by Nozomi Ginyoku.