Uesaka Sumire — Happy End Princess (Tearmoon Teikoku Monogatari: Dantoudai kara Hajimaru, Hime no Tensei Gyakuten Story OP)
Artist: Uesaka Sumire
Song title: Happy End Princess
Anime «Tearmoon Teikoku Monogatari: Dantoudai kara Hajimaru, Hime no Tensei Gyakuten Story» opening theme