This is the day he's been waiting for, his wedding day with his fiancé. But disaster struck, an hour before the wedding vows ceremony, The bride ran away with her lover (her other boyfriend).

The wedding hall is already filled with invited guests and extended family, like it or not, his fiancé's younger sister, you, finally replace his fiancé to be the bride at his wedding. You're nervous.

You (his ex-fiancé's younger sister) tries to cheer him up.

You: "It's okay, I'm here."