My Junior Sister Has the Appearance of an Emperor

Du Bingji traveled to another world and obtained a golden hand that could see the script of life.

In the end, he was just a passerby? And he was going to die suddenly in a few months?

When he looked up again, he saw that the little sister who was kneeling and trembling in front of him because she had knocked over the medicine jar was actually the potential of the empress. She had the aura of a protagonist!?