Tu Ran Cheng Xian Le Zen Me Ban

When you transmigrate to another world, someone from another world is transmigrating into you. One day Lin Fan found himself swapping bodies with a saintess from another world. Whats more, they can swap back and forth as much as they want! This is the start of their messy, confusing isekai cultivation adventure!

"Excuse me, so what is your name…?"

(Source: Tencent, translated)

Note: Chapter count includes an extra chapter.