I'm Invincible Before I Even Get Off the Mountain

Qin Hao traveled through time and became the prince of Northern Liang. He wrote "Ode to the Goose" when he was two years old, he composed hundreds of poems when he was three years old, and he married a princess when he became an adult. But on the eve of the wedding, he was kidnapped by a mysterious immortal cultivator. When he returns eight years later, the palace is in decline, his father vomits blood and dies, the princess is taken back to Kyoto, and her sister is bullied by the servants! Qin Hao was furious...