Honey Come Chatka!! - Vol. 2 Ch. 106 - Chakra Master

[MangaDex]

 

[Borderline]

That looks like something from Naruto.

What the heck is Nendai?

 

[yahooeny]

*Neidan
https://en.wikipedia.org/wiki/Neidan
The point is, Neidan is some taoist gobblygook, so I didn't think there was much need to include a note.