It was during a parade for the gods...hua cheng was a kid xie lang of course was the greatest god....so in the middle of wanting to see from the top of a wall...sang lan fell...and xie lan jumped on instinct and caught him.... saving the little sang lang from death....obstructing the parade......well as for falling for him....he was a prince, good looking, ascended to be a god, saved a poor child not once .... another time qi Rong tried to kill him...xie lan saved him again.....sang lan became xie lan's most devout believer even after fall of Xianle....he actually became a ghost king because of the suffering xie lan went through and he could only just sit there and watch...do nothing because he was powerless....that was his rage or whatever that made him into a supreme

Someone who's read the novel.
Can you explain the story behind when and how did Hua Cheng/San lang know Xie Lian. Why Hua Cheng/san lang likes Xie Lian.
Thank you so much.