Shin Gekijōban Keroro Gunsō: Fukkatsushite Sokkō Chikyū Metsubō no Kiki de Arimasu! Reveals New Cast, Narrator, and Opening Theme

The upcoming Shin Gekijōban Keroro Gunsō movie announces additional cast members and a narrator, alongside the opening theme song “Mata Kaettekita Kero! to March.”