Awakening My Transmigration Powers After the Gaokao: Your Highness, I’m Claiming the Throne

After graduating from high school, liberal arts student Zhu Jian awakened a transmigration System. Once transmigrated to ancient times, he learned that the only way home was to conquer the galaxy. After his transmigration: the old prince disliked Zhu Jian's grandmother, had her killed, favored his concubine over his wife, then killed Zhu Jian's parents and imprisoned him to stop him from attending his father's funeral. Once Zhu Jian starved to death, the old prince could appoint the concubine's son, Zhu Jian's illegitimate uncle, as heir. Every possible disadvantage had piled up. Luckily, he had a System. Dian Wei, crush them for me!