Chivalry of a Failed Knight opening

Opening 1a

https://openings.moe/?video=Opening1a-RakudaiKishiNoEiyuutan

Opening 1b

https://openings.moe/?video=Opening1b-RakudaiKishiNoEiyuutan

Opening 1c

https://openings.moe/?video=Opening1c-RakudaiKishiNoEiyuutan
“Identity (アイデンティティ)” by Mikio Sakai