浮気彼氏を公開処刑~財閥令嬢、店員の仮面を脱ぐ~

A billionaire heiress hid her identity for four years, working a regular job and secretly building a billion-dollar company — all as a gift for the man she loved. He came back and got engaged to someone else. At her own welcome party, he humiliated her in front of everyone. Wrong move. What happens when the mask finally comes off?