KAMEN RIDER GIRLS member Ayako Kuroda (Radiranger Black) or Aya-chan had revealed that she is the elder of sister of the ex. Kamen Joshi (Armor Girls) member Jun Amaki who is currently working as a Gravure Idol.
Both Ayako Kuroda & Jun Amaki had high Idol Ranking before their debut. Ayako Kuroda debuted in 2012 as the member of Love La Doll.
Jun Amaki had debuted in 2013 as a Trainee Member of Kamen Joshi's Pa-ken! (Alice Project) & later the same year she became the permanent member of the group. In the same year she made a major debut as the member of Idol Yokai Kawayushi. In December 2013 she announced that she will be also performing as the member of Kamen Joshi's Group Armor Girls (Alice Project).
In 2014, Ayako Kuroda began performing as the member of Stella☆Beats. In the same year, Jun Amaki become the 20th Pururun Queen in Pururun Survival held by YOUNG JUMP. She had announced that she will be performing as the member of Pureful (Alice Project). She had won the Grand Prize in NEXT Gravure Queen Battle Second Season held by the magazine Young Animal.
In 2015 she had graduated from all the groups of Alice Project & decided to focus on Gravure under Alice Project. Ayako Kuroda graduated from Stella☆Beats & disbanded Love La Doll. She took the Audition for KAMEN RIDER GIRLS & became the member of it. Her first public appearance as a member of KAMEN RIDER GIRLS was on Kamen Radiranger.
On the other side Jun Amaki left Alice Project & now doing Gravure under her new Talent Agency Watanabe Entertainment. KAMEN RIDER GIRLS Mitsuki Endo is also working under Watanabe Entertainment.