Budou-tou

 (ぶどう党) is an idol group local to Yamanashi. They were formed in June 2012. They stopped activities without announcement around December 2014. in June 2016 they were reformed, but disbanded again in September. They reformed in August 2018 and have been active since.

Current Members

 * Hanasaki Cocona (花咲心菜) (Joined August 2018)
 * Sakura Maika (佐倉苺花) (Joined August 2018)
 * Misaki Hana (美咲華) (Joined August 2020)
 * Tsukino Kirara (月ノきらら) (Joined August 2020)

Former Members

 * Kanekura Izumi (金倉和泉) (Original Member, Left March 2013)
 * Morita Chisa (森田智紗) (Original Member, Graduated December 2013)
 * Aoshima Akane (青嶋あかね) (Joined December 2012, Graduated March 2015)
 * Kato Yumi (加藤有美) (Joined June 2013, Left 2013)
 * Matsubara Yuka (松原有伽) (Joined August 2013, Left December 2014)
 * Tsuzuki Yurina (都築優里奈) (Joined August 2013, Left 2013)
 * Uehara Yuumi (上原ゆうみ) (Joined April 2014, Left May 2014)
 * Oshima Kanako (大嶋香菜子) (Joined April 2014, Left May 2014)
 * Nakagawa Juri (中川珠里) (Joined June 2016, Left September 2016)
 * Momose Airi (百々瀬愛莉) (Joined June 2016, Left September 2016)
 * Tsukishima Izumi (月島いずみ) (Joined June 2016, Left September 2016)
 * Eguchi Yuka (江口結香) (Joined June 2016, Left September 2016)
 * Natsumi Urara (夏海うらら) (Joined June 2016, Left September 2016)
 * Yamazaki Momoka (山﨑桃花) (Joined August 2018, Graduated March 2019)
 * Ichinose Nana (一ノ瀬なな) (Joined August 2019, graduated June 2020)