I've Got a Hot Nemesis

Joy Keynes accidentally swapped bodies with her arch-nemesis, Hugo Fox, on her wedding day. Forced to impersonate each other, they navigated each other's lives. Upon discovering that Joy's fiancé, introduced by her younger brother, was a scoundrel, Joy and Hugo united to confront their adversaries. Joy eventually parted ways with the scoundrel and exacted justice on their antagonists, culminating in her finding happiness with Hugo.