Sparks of Tomorrow: Sequel Status, Watch Order & What It Adapts

Nijusseiki Denki Mokuroku: Eureka Evrika

An original Kyoto Animation series. In an alternate early 20th century, steam-choked Kyoto is home to a boy who lost his brother and their dream of an age of electricity, and a girl hiding grief for her mother; together they dig into the secrets of a mysterious catalog.