Juuhassai no Iinazuke

Rafael, an arrogant and ruthless businessman, stole a kiss from Isobel at her eighteenth birthday. And he's the fiance Isobel's family has forced on her! All he wants is her status as an aristocrat. In return for the marriage, her family will be saved from bankruptcy. But rather than suffer a loveless marriage, Isobel leaves her home and high society to moves to Paris, where she makes a modest living by teaching tango. But before her twenty-first birthday, Rafael unexpectedly shows up in her class, takes her hands and starts dancing with her! (Source: Renta!)