I beg for the name of this novel. The female protagonist is especially like the male protagonist's dead fiancée. At the banquet, the fiancée miraculously resurrected and pushed the female protagonist into the water.

According to the information provided, this novel might be " Reborn Fiancée ". This was a rebirth novel set in a modern city. It told the story of the male protagonist's accidental rebirth into his dead fiancée. After the two met again, a series of bizarre stories happened. The female protagonist in the novel looked very much like the male protagonist's dead fiancée. At the banquet, the fiancée miraculously resurrected and pushed the female protagonist into the water. This was one of the climax parts of the novel.