Not a Buddy? Why Did I Switch Bodies with the Saint?

[Two-way travel] [Single heroine] [Abstract] [Cultivation of immortality] [Easy direction] Ouyang Hen, a hard-working "cow horse", unexpectedly came to the world of immortality because of his bravery in a righteous act - and became the saint of Yunya Holy Land: Mu Feifei! And the original Mu Feifei - naturally turned into Ouyang Hen, who had no cultivation and was in sub-healthy condition... Ouyang Hong (saint version): No! My love Kun! Mu Feifei (mortal version): Who cares about this piece of shit like you! Forget it! Ouyang Hong: Already honest. ... "Ouyang Hen! You are despicable, shameless and extremely obscene! How many times have I told you not to bathe with my body!!!" "Mu Feifei, that's enough! Is it easy for me to save some study materials? You deleted them all for me?! At least I'll keep one!" ... [The introduction is too weak, please move to the main text~]