I Became an Immortal by Slacking Off

A street punk is reborn in another world. He thought he'd been handed a family-intrigue script, but after making just one move, his opponent was already defeated. Then he thought he was in for a grand tale of courtly schemes, but before he could put his plots and stratagems into action, he was kicked off to a sect of immortals to cultivate.

The road to immortality is long. There's far more to break through than just one minor stage or major realm...