ゆいかおり(YuiKaori) was formed as a unit in HAPPY! STYLE in 2010. HAPPY! STYLE is a Up-Front Style unit that performs live performances of famous idol and anime songs. Yui & Kaori are both members of Team Dekaris. Their first single, Our Steady Boy was the ending theme for Kiss×Sis. Futari, one of the a-sides on YuiKaori's second single was played as the ending theme for episode 12. From 2011 to 2013, both girls were part of the seiyuu group StylipS.
YuiKaori members: 小倉唯(Yui Ogura) (left)