Garnidelia (ガルニデリア) (stylized as GARNiDELiA) is a Japanese pop rock duo, consisting of singer Mai Mizuhashi, better known by her stage name MARiA and Vocaloid record producer Yoshinori Abe (ja:阿部尚徳, Abe Yoshinori, born March 5, 1978), better known by his stage name toku.

Source: Wikipedia (https://en.wikipedia.org/wiki/Garnidelia)