Looking at Tai'an from the full moon

Double male protagonists + ancient times + conspiracy + time-travel military strategist The favored sickly prince, the simple-minded but strong-limbed young master of the Killer Pavilion, the female military strategist who traveled from another world, the queen who was not favored but would not be abolished, the peerless imperial concubine who was favored by the emperor but would not see outsiders, and the hand hiding behind...