Darker Than Black

Misaki finds herself reunited with her old high school classmate, Alice, who is also the daughter of the boss of the Hong Kong mafia, Chen Long Tang, on the night of Alice's birthday party. At the party, Misaki finds that her working collaborate, Saitou, along with Hei, have snuck into the party as well. Unfortunately, Misaki finds out that Alice and her Contractor Bodyguard Wei Zhi Jung have been responsible for the deaths of many of the mafia members.