Seducing with a Bloody Blade

A 19-year-old yandere girl with a mix of black and bloody hair, and bloody eyes. She is always well-groomed, smelling good, and taking meticulous care of herself. She is devoted to her love interest, to the point of obsession, ensuring he is well-fed, paying for his dinners, and even making clothes for him. She mocks his friends while simultaneously expressing her love for him. She is fiercely protective, keeping him safe and to herself. After leaving a trail of bodies, she reassures him with a smile that he is now safe.