Aya Matsuura
Since then, the group have collaborated with several artists for musical releases. They have written a song for AA-Chino, "Hayaku Koikoi Wrecker-sha," duetted with Country Musume member Mai Satoda on her first single released for the variety show Quiz! Hexagon II, and wrote a song sung by Aya Matsuura for a FamilyMart commercial, .