二十世紀電氣目録-ユーレカ・エヴリカ-
Sparks of Tomorrow "Episode 1"

In an alternate steampunk Kyoto, Kihachi, influenced by his brother, has always believed that electricity will power the future, creating books full of inventions. When his brother dies in the war, so does Kihachi’s dream… until he meets Inako, someone who has been making the inventions a reality.