Anime Song Database
Source: MyAnimeListIS: Infinite Stratos 2 - World Purge-hen
Theme song information
Opening Themes
True Blue Traveler by Kuribayashi Minami
Ending Themes
BEAUTIFUL SKY by Yoko Hikasa, Yukana, Asami Shimoda, Kana Hanazawa, Marina Inoue, Chiwa Saito, and Suzuko Mimori