Kamui no Ken was a sort of samurai/ninja story set during the transition of the fall of the Tokugawa Shogunate and the re-establishment of Japan under the Emperor Meiji in 1868.
I think there are probably few Japanese who know this side of the Emperor Meiji, the side that left a song like this.
However, in general, it seems that the Emperors had continued without seeking worldly power.
Emperor Nero was an extremely evil tyrant.
The Emperor shall be the symbol of the State.
The princess begged forgiveness from the emperor.
The Emperor's Birthday fell on Sunday.
In the post-War period, up until 1975, Emperor Showa prayed at the Yasukuni Shrine a total of 8 times.
The Emperor prayed for the souls of the deceased.
The Emperor is the symbol of the unity of the people.