To Become an Immortal, You Actually Want Me to Stay Alive for 500 Years?

[Funny + Invincible + Multiple heroines + No system + No time travel] Chen Yuan, a programmer, met a wretched old man by chance. He was deceived by the old man into cultivating immortality. He thought that after cultivating immortality, he could do whatever he wanted and collect resources and beauties. However, he had to guard his body for 500 years and could only be released after Nascent Soul. In order to lose his virginity as soon as possible, Chen Yuan began to cultivate immortality and opened a different path to immortality.