Nickname: Koumechan
Watanabe Koume was born on March 17, 1998. She auditioned for Step One Sendai Junior Talent Agency and was placed in the group REX. Koume was transferred to B♭ (B Flat) on December 24, 2009, and became the leader on July 7, 2010. The seven main members of B Flat, including Koume, graduated in June 2012 and she also became the leader of the group Party Rockets. On December 15, 2013, Watanabe Koume graduated, eventually joining SUPER☆GiRLS.
Guest Appearances:
“Tokyo Girls Café #1 a-bossa” by various artists (August 22, 2012; Track 3, “Yumemiru Shoujo Ja Irarenai”) *
* This live album features avex idols performing solos in bossa-nova style that are covers of songs from other avex artists.
Watanabe Koume was born on March 17, 1998. She auditioned for Step One Sendai Junior Talent Agency and was placed in the group REX. Koume was transferred to B♭ (B Flat) on December 24, 2009, and became the leader on July 7, 2010. The seven main members of B Flat, including Koume, graduated in June 2012 and she also became the leader of the group Party Rockets. On December 15, 2013, Watanabe Koume graduated, eventually joining SUPER☆GiRLS.
Guest Appearances:
“Tokyo Girls Café #1 a-bossa” by various artists (August 22, 2012; Track 3, “Yumemiru Shoujo Ja Irarenai”) *
* This live album features avex idols performing solos in bossa-nova style that are covers of songs from other avex artists.