DIANNA☆SWEET

 was a Japanese idol group formed in 2014, under SISTERMANAGEMENT as a part of DIANNA Project.

After their last live performance, March 26, 2017, they suspended their activities and all members graduated.

Final Line-up

 * Nagayama Fuuka (永山風花)
 * Wakaba Mana (若葉愛)
 * Suzuki Azumi (鈴木杏実)

Former Members

 * Minami (みなみ) (Graduated July 26, 2014)
 * Omura Marika (大村茉梨花) (Graduated May 2014)
 * Rinon (Graduated April 11, 2015)
 * Yurina (Graduated April 11, 2015)
 * Julia Moe (ジュリア萌) (Graduated November 7, 2015)
 * Okamoto Momoka (岡本桃香) (Joined April 2015, Graduated March 13, 2016)

Singles

 * [2015.01.21] DEEP SNOW
 * [2015.07.29] FIRE GIRL
 * [2016.07.27] Superhero