Shikumareta Wedding: King San Kyoudai no Kekkon 1

Gina is a club singer who has come to the mansion of the influential King family to audition as a wedding singer. Even though she suffers from severe stage fright, the Kings’ grandson, Alex, encourages her and helps bring out her true singing potential. Even though they come from different worlds, Gina can’t help but fall for his ocean-blue eyes and the way his kindness soothes her heart… The only problem is, he’s already dating an extremely beautiful woman! (Source: Harlequin)