Q.E.D - Vol. 19 Ch. 37 - The Legacy Of The Sage

[MangaDex]

 

[Anwonu]

For those confused, the kanji written is actually 戌, which has more meanings than just "dog".
From Jisho.org:

1. eleventh sign of the Chinese zodiac (The Dog, 7pm-9pm, west-northwest, September)​

That should explain the next pages too.

 

[izumabakumatsu]

Here I thought Touba was Touma's ancestor. Apparently not. At least, so far no indications of it.

 

[KusoTTK]

This might seems to be a bit late, but I think the information from page 25-26 are all messed up