BUST TO BUST -ちちはちちに- ちょっとくらい腐ってるのが美味いんですよ?, Bust To Bust: Chichi wa Chichi ni, Bust to Bust: Chotto Kurai Kusatteru no ga Oishiin Desu yo?, Bust to Bust: Chottokurai Kusatteru no ga Umaindesu yo?, CYC DO CYCA, 가슴에서 가슴으로, Bust to Bust: It`s Delicious when it`s a Little Bit Rotten, Isn`t It?