Killer Shark in Another World Vol. 4 by Kuboken

Whether it's demon generals, corrupt leaders, or innocent bystanders, nobody's safe from Shiromi and her unstoppable familiar, Sharkiller. Having teamed up with the princess of the Hamunanptra Kingdom, the two are determined to take down the dreaded King Scorpion. But just when it looks like they've finally met their match, Sharkiller awakens to a brand-new power! And it's not a movie reference this time!
Binding: Paperback / softback