Kohakushoku no Otome to Gin no Ookami

After being severely injured in an accident, Amber overhears that she has only six months to live. She decides she'll enjoy the little time she has left and goes to a luxurious bar. There she meets Wolf and spends the night with him. She leaves the following morning without saying goodbye, knowing this can be nothing more than a cherished memory for her. A few months later, Amber's visiting her friend on holiday when she sees none other than Wolf, whose real name is Dyson! (Source: Renta!)