I'm a Behemoth, an S-Ranked Monster, but Mistaken for a Cat, I Live as an Elf Girl's Pet, Vol. 5 (manga)

Stella-the former dragon turned cute girl-has joined the party! Given thatshe charges
full force at any enemy she sees, though, having this tomboyaround might be more
trouble than it’s worth...especially after hertotally one-sided love for Tama only grows
stronger and more jealous once shesees Aria getting all lovey-dovey with him.
Meanwhile, a tantalizing personalrequest for the party’s services arrives in recognition
of all theirrecent achievements. Stella gets hyped up for her first realadventure-but
none of them know what truly lies in store on this quest...!