Chang Li wakes up a hundred years later, never expecting that the disciples he casually took in a century ago would now be either demonic cultivators' Demon Venerables or the foremost figures of the immortal path.
He unexpectedly binds himself to the Students Everywhere System. To save his eldest disciple, who has fallen into demonic cultivation, he comes out of seclusion once more, helps the oppressed attain immortality, and erases all manner of injustice from the mortal world. By earning merit, he ultimately achieves the Great Dao.
But when he meets the supreme Demon Empress of the demon realm, he finds her strangely familiar.
"Master, don't you recognize me?"
His youngest disciple, whom he had always believed to have no talent for cultivation, runs down from her lofty seat to his side and says with a smile.