The First Tenno

Season 3, Episode 16: The First Tenno
The short-lived and ill-fated King Kobun. Source: Public Domain
Emperor Temmu, the first Tenno, who made war against his nephew to secure the throne for himself. Source: Public Domain
Empress Jito, pictured alongside a poem attributed to her. Translation below. Source: Public Domain

The poem in the woodblock printing above, translated into English:
The spring has passed
And the summer come again
For the silk-white robes
So they say, are spread to dry
On Mount Kaguyama

The shared tomb of Emperor Temmu and Empress Jito in Asuka. Source: Takanuka, CC BY 3.0 https://creativecommons.org/licenses/by/3.0, via Wikimedia Commons