I don't read historical manga much any more, as I find not understanding the references off-putting. I gave this a try because a smart editor mentioned to me that it was by Ken Saito, author of The Name of the Flower, which I remembered enjoying when CMX put it out 15 years ago.

Read the full article here:
https://comicsworthreading.com/2024/03/31/tales-of-the-tendo-family-volume-1/