I Rely on the Great Dutiful Son System to Prove Immortality

[Hot-blooded transformation + light and hilarious + appearing holy in front of others + patronage + loving father and filial piety! I was originally a college student, traveling through a fantasy world and becoming the young patriarch of a small family? Forget it, the key is that the predecessor was still causing trouble everywhere and looked like a villain. Facing such a familiar start, Cui Hao was filled with despair... Fortunately, the [filial son system] was bound in time! Just looking at the system description, Cui Hao couldn't help but fall into deep thought... "Ding, it's been found that your father has offended a foundation-building expert, and the host's cultivation level has automatically been upgraded to foundation-building!" Well, it looks like there will be more cheating in the future...