My Portable Grandpa Refreshes Weekly

After acing his college entrance exam, Xue Dinglu discovers something impossible: a grumpy old man living inside his consciousness. But that's just the beginning—every seven days, a new legendary elder materializes within him. An undead empire general. An all-knowing archmage. An unyielding ancient knight. Even a sky-devouring beast of myth. Each carries centuries of knowledge, devastating power, and one final wish. By mastering their skills and honoring their legacies, Xue transforms from ordinary student to humanity's greatest champion. When gods and demons descend to crush the world, he cle…