Dark Blood.

Kameliah Michelles, sister of the Phantomhive butler, Sebastian Michelles, is having her eighteenth birthday soon. And all she wants is to have a man to support, love, and care for her. Until one day, She met a handsome shinigami who had flaming red hair, teeth of a shark, and a massive chainsaw you guessed it, Grell Sutcliff. She was instantly in love, but could not express her feelings to the blood-red reaper. But will he accept her feelings for him?