The First “Yubi-matsuri”(/ゆび祭り,the finger festival) was hosted by Rino Sashihara as the producer of the event, who had transferred from AKB48 to HKT48, at Nippon Budokan (http://www.nipponbudokan.or.jp/) in Tokyo on this 25th.
“Yubi” means a finger and Sashihara’s “Sashi-” means a finger in the Chinese character used in her name. To the event, totally ten young female idol groups or 105 idols were invited, joined, and performed singing and dancing. They are “アイドリング!!!”(/Idoling!!!),”私立恵比寿中学”(/Shiritsu Ebisu Chugaku, Private Junior High Ebisu), “SUPER ☆GIRLS”, “東京女子流”(/Tokyo Jyoshiryu, Tokyo girls stream”, “乃木坂46″(Nogizaka 46), “ぱすぽ☆”（pasupo）,”Buono!”, “ももいろクローバーZ”(/Momoiro clover Z, pink cloverZ),and “渡り廊下走り隊７”(Watarirouka Hashiritai 7).
At the relaseing press conference of the event, “the producer” Sashihara extended a huge happiness for having a lot of popular idols or idol groups for her guests but she wished to host such events again with more popular groups such as “Morning Musume” . AKB48, HKt48,SKE48, or even idols unknown to public well who haven’t showen up on TV.