Former AKB48 member and current HKT48 idol group member Rino Sashihara participated as the producer in a voice actress idol competition on April 29.
The contest was the third stage in the competition, and it narrowed down 103 participants aged 12-20 to 13 finalists.
Sashihara stated that she wanted to make a group that can stand next to, and one day surpass AKB48.
Sashihara previously guest starred in the Eiga Crayon Shin-chan: Ora no Hikkoshi Monogatari ~Saboten Daishūgeki film, which opened in Japan in April 2015.