After Five Thousand Years of Cultivation, I’m Back to Guard the Campus Belle?

[Invincible protagonist] + [Doesn't show off unprompted] + [Urban cultivation] + [Iconic movie and TV scenes]

Su Yi was born an only child into a poor family. His father died when he was young, leaving his mother to raise him alone.

After finishing the college entrance exam, Su Yi took a summer job away from home so he could ease the financial burden on his family while at university.

Then disaster struck: his mother fell ill... Su Yi boarded an overnight bus home, but an accident along the way caused him to transmigrate to another world. After nearly five thousand years of struggling and surviving there, he became its strongest cultivator and finally gained the power to return to Earth.

Just after returning to Earth, Su Yi happened to save the young lady of the Liu family in Yangcheng. After nearly five thousand years in another world, he had long since forgotten what life on Earth was like.

With the help of the wealthy young lady, he begins to fit back into society. Su Yi becomes the personal bodyguard of the young heiress, who is still in university, and embarks on a colorful urban life...