In Demon Slayer: The Immortalsword Subdues Ten Thousand Ghosts

Lu Ye was once a young Taoist novice on Blue Star. For some unknown reason, he transmigrated into the world of Demon Slayer.

Only after arriving there did he discover that the Taoist Breathing Style he had cultivated on Blue Star actually worked.

He named it the Immortal Breathing Style, and used the Tao Te Ching to create his own Immortal Forms!