Allen=protagonist, Cohen=pig's trotter, Seid=protagonist's wife, Keller=pig's trotter harem representative
Said turned out to be a eldest princess, and Ruolun was an XO who was kept by her.
Cohen turned out to be an idiot, and after traveling through time, he became the pig's trotters in the stallion novel.
It stands to reason that all fiancées in the waste material stream will regret their marriage. Unfortunately, Allen is that fiancée, and she can also be regarded as a time traveler.
Under the control of fate, Cohen's family rebelled...
If Cohen will surely unify the world, if Allen gradually becomes stronger, if Seid's power gradually weakens