The Record of a Fallen Vampire Vol. 9 (manga)

Final Volume!

Now that she knows the truth about Stella and the Black Swan, Kayuki is faced with a fateful decision concerning the conflict between her and Strauss. Strauss and Adelheid, meanwhile, prepare to deal with the looming alien invasion, knowing that the future of vampires, dhampires and humans depends on overcoming seemingly insurmountable odds!