交響詩篇エウレカセブン ポケットが虹でいっぱい

Their love is the key to mankind's future.

Renton, son of scientists, and Eureka, a girl who can't live under the sun, are raised together when very young and become very attached to each other. Powerless to prevent Eureka from being taken away Renton vows to rescue her and enters the military.