Transmigration: I’m from the Cultivation Realm

(Multiple heroines, so proceed with caution if that's not your thing! Dual cultivation + mature beauties) The male lead has only just transmigrated into the modern city when his ex-girlfriend tells him to buy 20 pairs of stockings. He transforms into a pretty boy, starts out as a college student, and soon finds himself pursued by countless beautiful women. A series of romantic encounters begins, and by chance, he receives the teachings of a powerful tribulation-transcending master from ten thousand years ago...