Muramoto decided to start a concert unit with Zeng Yun and Ikuta Erina. They performed at Morning Musume 15th Anniversary Debut Concert Tour Fall 2012~Colorful Character~ and had their own promotional lives.
November 11, Zeng announced that they will be starring in a new TV show called "Tachiagaru to issho ni eigo o manabou!". It is set to be aired on December 22, 2012.
- They are the only concert unit to have only 3 members.
- They usually have less than 4 days to learn the singles and dances.
- Are planning on performing at a Believe! Morning Musume concert or SPECIAL.
- All three of the members go to karoke together.