I Am Yang Guo's Son, and I Take Zhang Sanfeng Across the Myriad Worlds

He transmigrates as Yang Guo's son, and even gets a transmigration interface. Everyone else travels the myriad worlds with a harem in tow. How come the only one by my side is an old Taoist? … … A hundred years later. “Old Zhang, if you can't keep up, come with me. Aren't you bored after being invincible for so many years?” “You mean the myriad worlds? Maybe I could even run into Miss Guo again?” “Damn it, Old Zhang, you're over a hundred and still hoping to become my uncle-in-law? Want me to beat some sense into you?” “Wait, a whole bunch of enemies just showed up. They look pretty strong.” “This guy's cultivation is no weaker than ours, right? Just a reminder: you beat Di Shitian so badly he coughed up all his phoenix blood.” … Who knows how many years later. “Old Yang, watch out! Hongjun's cultivation is no weaker than ours!”