I remembered something.
Finally found it.
Japanese drama: the road to wedding dress
Length: 13 episodes
Starring: Takashi Sorimachi Emi Wakui
Plot:
The Road to Wedding Dress is led by Takashi Sorimachi, one of the four kings of Japanese drama, and Emi Wakui.
The Road to Wedding Dress tells the story of jewelry designer Kazumi Sakura with twists and turns: Mei, who went to the United States to find her dream, could not fulfill her dream and had to go home. Previously, she joked in a letter to her family that she would "bring her fiance back", but the reality was cruel, and new york's boyfriend abandoned her. On the plane home, he met the man sitting next to her, Ji Jianxun, and asked him to be her fiance for one day. Who knows that everything is not as simple as she imagined ... Soon after, three men claimed to like her and she was pregnant. Who will she marry and go to the sacred marriage hall?
Ps: The theme song of Wedding Road is Namie Amuro's Can You Celebrate?
It should be this.