Hermione Granger and the Fake Rake

"Miss Hermione Granger, Heiress of the late Earl of Keltham's fortune, has at long last made her debut this Season. Rumour has her paired with Lord Sirius Black, Duke of Silverstoke, whose notorious reputation precedes him. Could it be that the lady has tamed one of the ton's most elusive catches, or shall the courtship end in tears?" Regency AU, Sirius/Hermione