Are you sitting comfortably?
“Saaaa……….. ikimashō!!!!”
Question!
If the left (hidari) is 左 sa, …. drumroll, … what is the right (migi)?
See this thread for video in Japanese.
https://www.militaria.co.za/nmb/topic/48062-masamune-ten-tetsu-exhibition-–-master-swordsmith-masamune-and-his-disciples-in-the-fukuyama-museum-of-art/#comment-499304