Though to be honest, I don't have any administrative abilities. So things like inheritance, property taxes, and any other complicated things are all handled by Old Man Fujimura. Old Man Fujimura is a major businessman who lives nearby. Kiritsugu described Old Man Fujimura as an old man who's "like a yakuza boss." Obviously, that was his own biased view. In fact, Old Man Fujimura is not *like* a yakuza boss, he *is* a yakuza boss. ... That may be a problem in itself, but I try not to dwell on it.
#FateStayNightRemastered
"Shirou Emiya is fully aware Taiga's grandfather is yakuza and reconciles this with his hero ideals by compartmentalizing it" is one of those little details along with his part-time job that never make it into adaptations due to excising anything not plot-relevant.
