Are there many Neo plays in Soul Street?

Not much. According to Sohu Entertainment Network, Neo plays Bai in the TV series "Soul Street" as a supporting role, which only appeared in 15 episode, so there are not many Neo plays in "Soul Street". "Soul Street" tells the story that Cao, who shoulders the heavy responsibility of soul-killing, meets a girl who has strayed into this place, and the two of them embark on a thrilling journey to save the world.