on initial plans to expand overseas around 2010 and refocused their interests in Japan. On October 19, 2008, Hello! Project announced its entire Elder Club would be graduating on March 31, 2009. On February 1, 2009, at the Yokohama Arena, Hello! Project held its largest concert ever—the —featuring 21 groups and 72 members. During the concert, former Hello! Project leader Yuko Nakazawa passed her leadership position to Morning Musume leader Ai Takahashi. Later in 2009, several of the old, dormant units were revived. Tanpopo, Minimoni, Petitmoni, ZYX, Aa! and v-u-den all returned with new line-ups, and High-King returned from hiatus with its original members. These groups became a new concert unit, "Champloo". In April 2009, Tsunku announced a new group consisting of four Hello! Pro Egg members, named Smileage, who later debuted on a major label in May 2010 with the single "Yume Miru 15". 2011–2014: Line-up and production changes On January 28, 2011, Dream Morning Musume was formed consisting of previous Morning Musume members. On September 30, 2011, Ai Takahashi graduated and handed her position as leader of Morning Musume and Hello! Project over to fellow member Risa Niigaki, who also graduated on May 18, 2012. Sayumi Michishige was later named the group's new leader. During the last concert of the Winter 2013 Hello! Project concert, Juice=Juice, a new unit consisting of Hello! Pro Kenshusei members was announced, They previewed their debut song at the Hello Project concert series held on March 2–3. On November 26, 2014, Sayumi Michishige graduated and handed her position as Hello! Project's leader to C-ute's Maimi Yajima. Tsunku revealed in his 2015 memoir, Dakara, Ikiru that he stepped down as Hello! Project's general manager sometime after Morning Musume's New York concert in 2014; however, he still remains involved with Morning Musume as their sound producer. 2015–Present: Post-Tsunku era On January 2, 2015, during the Hello! Project 2015 winter concert, a new group consisting of Hello Pro Kenshusei members was announced and was named Magnolia Factory. On April 29, 2015, Magnolia Factory's sister group, Camellia Factory was also formed. Discography Projects 2000-2005: Hello! Project Shuffle Unit Studio albums Chanpuru 1: Happy Marriage Song Cover Shu (2009) Compilation albums Petit Best: Ki-Ao-Aka (2000) Petit Best 2: Mi-Nana-Juu (2001) Petit Best 3 (2002) Petit Best 4 (2003) Petit Best 5 (2004) Petit Best 6 (2005) Petit Best 7 (2006) Petit Best 8 (2007) Petit Best 9 (2008)