The banquet of Reckoning

On the eve of the wedding, the male protagonist caught his fiancée and his good friend cheating on each other, but was instead humiliated and discriminated against. The male protagonist immediately married the female protagonist and decided to slap the scum woman in the face at the wedding. The male protagonist's fiancée and his good friend claimed to be superior, but they humiliated the male protagonist for coming from a lower class at the wedding. The male protagonist remained humble and kept slapping the two of them in the face. In the end, their true identities were revealed, and they knelt down and begged for mercy, regretting it too late.