Quick answer — "Koko Made Oide" by SION is the opening theme of NieA_7.
Frequently Asked Questions
What anime is "Koko Made Oide" from?
"Koko Made Oide" by SION is the opening theme of NieA_7.
Who sings "Koko Made Oide"?
"Koko Made Oide" is performed by SION.
