Osamu Katagiri

Osamu Katagiri was Tenno Sugihito's head butler. He has been in service as a butler since the accession of Tenno Seihito. After his assassination, he was succeeded by is grandson Toshiro Katagiri.

Early life
Osamu Katagiri is from the Katagiri family, best known as house servants to the members of House Genji. He was trained to be a butler by his own grandfather and worked close to him during his early years. Much of his childhood got his work with then-Kotaishi Seihito. As they were around the same age they quickly became close friends.

Katagiri followed Seihito to the Imperial Navy, where he briefly trained to become a naval officer. Only after serving their mandatory conscription term that he returned to training as a butler. As he was eventually promoted to head-butler, he has since observed every major event in the palace and keeps countless secrets.

Family
Katagiri is known to be married with children and at least two grandchildren. He is also the head of House Katagiri.

Tenno Sugihito
Katagiri has taken care of the young Tenno since he was a toddler, serving as a grand-parental substitute when Seihito is not available. He also accompanied him during excursions, serving as an adviser and observer for any immediate danger