Lin Xuan is transported to a mystical world, where he unexpectedly spends a night with the powerful Empress of the Mystic Ice. Four years later, Empress Donghuang Ziyu brings her daughters to force a marriage. Faced with his adorable daughters, Lin Xuan is both excited and anxious. Fortunately, the doting daughter system activates just in time! Ding! Your intimacy with your eldest daughter increases by 1 point, reward: Imperial Realm cultivation! Ding! You teach your second daughter a new word, reward: Chaos Holy Body! Ding! You drive away the beast that frightened your third daughter, reward: Swallow Heaven Divine Art! Ding! You and your fourth daughter bully the demon race together, reward: Chaos Divine Sword! After three years of raising his daughters, Lin Xuan has become invincible in the universe. Donghuang Ziyu: 'I didn't expect you to be so powerful!' Lin Xuan: 'Raising my daughters, ...'