the story feels very basic, especially with the HUMANS BAD, Vamps are just a product of Humans Cruelty. But maybe it will change in the later chapters. But it still tackles the concept deeply.
The fight are gimmicks, and they are fun gimmicks.
Bros, she so manipulative, but the MC probably knows she planted a bug in the room, maybe he'll do a little trolling just to increase her Yandere levels