What Happens When the Single Coachman Becomes the Substitute summary: For a living, Hardy worked as a substitute driver for magic carriages. One day, he receives a suspicious request to head to the wedding venue of the infamous Sub-Duke Hysterion. Forced to crash the ceremony, Hardy is met with a shocking declaration from none other than the man of the hour, Abel Hysterion! “She’s here. The one who will be my bride.”