St. BONAPRO SCHOOL

 (聖☆ボナプロ学園) was an indie, Shibuya-based idol group formed by BONAMII Inc. (or Bonamii Model Production).

History
The group debuted in May 2013 and have released two digital-only singles. The St. BONAPRO SCHOOL YouTube channel uploaded their first video on May 29, 2013. Rin joined St. BONAPRO SCHOOL on December 8, 2013. Yuujou Yellow Ball is a tennis themed subunit with Nono and Rin that formed in March 2014 and made their live debut on April 19, 2014. Sakura joined St. BONAPRO SCHOOL on September 3, 2014. Sometime after Sakura joined the subunit BONAMETAL was created, with Rico, Nono and Sakura as members. In early October 2014 a new member named Hina joined. On October 20, it was announced that St. BONAPRO SCHOOL were breaking up on November 24, 2014. Rico, Nono, Sakura and Hina then became the group Si☆Stella, which is also part of BONAMII Inc.

Final Lineup

 * Sakurai Rico (櫻井理子; ) (Leader) #2 (Founding Member)
 * Mafune Nono (真船乃暖; ) #7 (Founding Member)
 * Imamura Misato (今村美里) #9 (Joined June 2014)
 * Amano Mimi (天野みみ) #11 (Joined June 2014)
 * Akai Sakura (赤井桜; ) #13 (Joined September 2014)
 * Masuda Hina (増田陽菜; ) #14 (Joined October 2014)

Former Members

 * Ishikura Miyuu (石倉未悠) #1 (Founding Member, graduated December 2013)
 * Yoshikawa Rio (吉川莉央) #6 (Founding Member, graduated December 2013)
 * Ishikawa Suzuka (石川鈴果) #3 (Founding Member, graduated March 2014)
 * Ishikawa Yumeka (石川夢花) #4 (Founding Member, graduated March 2014)
 * Yoda Ayaka (依田彩花) #5 (Founding Member, graduated June 2014)
 * Ohashi Remi (大橋礼実) #10 (Joined May 31, 2014, graduated August 2014)
 * Marumoto Rin (丸本凜) #8 (Joined December 2013, graduated October 2014)

Digital Singles

 * [2013.06.30] St. BONAPRO SCHOOL (Song)
 * [2013.08.31] Yumemiru Carnival

Album

 * [2014.11.24] LIVE Edition