Responses
Isaji, from what was given in the end notes of chapter 17, might have died in war since Misao was seen in a picture along with the Memorial building. This is all yet to be confirmed.
Toyokichi, black haired guy, survived and had kids with Chizuru that helped with Karuo's labor.
......
Did ANY of the guys who went to war survive?
I know Tora's older brother died,
What about Isaji?
The black haired plain guy apparently died, but there's one chapter where the old lady says that "that's my husband" and pointing to him in the picture. That's why I am in doubt if he had died or whatnot and in hope he hasn't...