UmArca.

umArca. was an idol group formed in August 2020. They began activities on December 17, 2020.

They disbanded at their concert on April 24, 2021.

Final Line-up

 * Ouse Aru (逢瀬ある; )
 * Kurosaki Yuni (黒咲ゆに; )
 * Sasahara Rikako (笹原りかこ; )
 * Shinonome Chinami (東雲ちなみ; )
 * Yokaze Ramune (夜風らむね; )

Former Members

 * Nagatsuki Hotaru (長月ほたる) (Left October 4, 2020)

Singles

 * 1) [2021.04.13] aQtor