Age: 20
Known Relatives: Hikari (younger sister), Nozomi (youngest sister)

Kodama Horaki is a university student majoring in Engineering, working part-time as a waitress at a cafe.

Like her sisters Hikari and Nozomi, Kodama is named in reference to the names of the trains of the Tokaido Shinkansen line. She was only mentioned in Neon Genesis Evangelion, with her visual appearance being revealed in 2015 in promotion of the Shinkansen 500 Type Eva.