Isekai Kuimetsu no Same

Shiromi Lovecut-Toothrough is considered the weakest summoner. Her situation changes when she calls forth Sharkiller, a being able to morph into various menacing sharks from B-movie films. Suddenly, people are in danger as Sharkiller seeks to attack. Shiromi faces the challenge of using this powerful yet dangerous ally to confront the Demon King and stop his oppressive rule. However, it remains uncertain whether her actions will bring salvation or further chaos to the realm.