I Started as the Top Pick, but You Told Me That I Can Become an Immortal?

Ling Yan traveled through time. He originally thought it was an ancient world. He finally passed the exam and was about to marry a princess and reach the pinnacle of his life. But it turned out that this was a world of immortality? Then I won't be polite. No background, no talent and no master? It doesn't matter, he is the protagonist, and with the male protagonist's halo and opportunity, it is difficult to die even if he wants to. The protagonist is narcissistic and shabby, but he is the most awesome. The start is a bit slow, so please watch slowly. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.