The original lineup consisted of Kanon, Mizuki, Narumi Uno, Reina Miyazaki and Rika Mayama.

The group started out performing short sets (often opening for Momoiro Clover) at malls and shopping centers.

[13] After six "indie" singles on their talent agency's recording label, the latest few of which charted on Oricon, the group signed a temporary contract with the major label Defstar Records to release a single titled, incidentally, "Karikeiyaku no Cinderella" ("Temporary Contract Cinderella").

On June 25, 2012, Shiritsu Ebisu Chugaku performed at "Yubi Matsuri", an idol festival produced by Rino Sashihara from AKB48.

Rock Lee", a closing theme of the anime Naruto SD, to be released as the group's second single in August.

Rock Lee / Otona wa Wakattekurenai" was released on August 29, and reached number 7 on the weekly chart.

On December 15, the group held a solo concert at Nakano Sunplaza titled "Ebichu no Jungle Daibouken".

Their 4th single "Te o Tsunagō / Kindan no Karma", featuring two ending theme songs for Pocket Monsters Best Wishes Season 2, was released on June 5.

[23] On December 28 it was announced that 3 members, Mizuki, Natsu Anno and Hirono Suzuki, would be leaving the group, and that their last concert would be held on April 15, 2014, at the Nippon Budokan.

On March 9, the "Chunin" era lineup, minus Anno who was studying abroad, performed a concert at Makuhari Event Hall in Chiba, titled "Luck To The Future".

12 days later, on March 21, the new 8 member lineup with Kobayashi and Nakayama performed the same setlist at Grand Cube Osaka.

On April 15, Ebichu held a concert titled "Shiritsu Ebisu Chugaku Goudou Shuppatsushiki ~Ima, Kimi ga Koko ni Iru~", at the Nippon Budokan.

[35] Matsuno was unable to perform at the group's concert the previous day due to feeling ill, and was resting at home in Tokyo.

[42][43] In support of the album, Ebichu embarked on a tour titled "Shiritsu Ebisu Chugaku IDOL march HALLTOUR 2017 ~Ima, Kimi to Koko ni Iru~", from April 22 to July 16.

[45] On September 23, Ebichu performed a special autumn concert titled "Chūon", which has the audience remain seated, and features a live backing band.

While initially the extent of Hoshina's injuries was not made clear, it was later revealed that she had suffered a cerebral contusion, a fractured skull and a traumatic subarachnoid hemorrhage.

On June 22, Ebichu hosted their own festival, "MUSiC Fes", featuring artists that the group has worked with over the years.

[52] On October 18, it was announced that Ayaka Yasumoto would be going on an indefinite hiatus from the group, as she was experiencing instability both mentally and physically, and needed time to recuperate.

[54] On December 20–21, Ebichu performed two consecutive shows at Makuhari Event Hall, featuring a live backing band.

[55] Due to the COVID-19 Pandemic and its impact on the performing arts, the tour in support of "playlist" (originally scheduled to take place from April to July) was cancelled, and the 2020 installments of both the "Famien" and "MUSiC Fes" concerts were postponed to 2021.

[58] On October 29, it was announced that Ayaka Yasumoto had been diagnosed with Malignant Lymphoma, and would be going on an indefinite hiatus to focus on treatment.

In June, Ebichu, minus Ayaka Yasumoto & the new members, embarked on a 3 date tour titled "Shiritsu Ebisu Chugaku Concept Live ~MOVE~", which focused on the theme of movement.

On July 16, Ebichu (minus the 3 new members) appeared on the popular music YouTube channel "The First Take", where they performed the song "Nanairo".

However, Riko Nakayama could not participate due to ill health, thus postponing the true debut of the new 9 member lineup.

[62] On September 13, it was announced that Hinata Kashiwagi would be taking a break (scheduled for 3 months) from the group following the "Chuon" shows.

The fifth installment of the "Chuon" shows were held on September 24-25, consisting of 4 performances (2 per day) On October 1, 2022 Ebichu announced their new members: Emma Sakurai & Yuna Nakamura.

In October, the group introduced a new series of concerts titled "Orchera Disco", combining orchestra with dance music.

On October 14, the group flew out to New Zealand to perform as special guests at the annual Christchurch Japan Day festival.

", which will be used as the ending theme for the anime "Mashle: Magic and Muscles The Divine Visionary Candidate Exam Arc".

Members without color departed prior to their distribution Note:   Member Color Unassigned,   Member on Hiatus (5572320) (5572320) (Infinities) (5572320) November 3, 2018 (Live Limited CD) Downloads Ebichū no Eien ni Chūgakusei (Kari) (エビ中の永遠に中学生 (仮), Ebichu's "Middle School Students Forever (Preliminary Title)") Ebichū no Eien ni Chūgakusei (Kari) 2 (エビ中の永遠に中学生 (仮) 2, Ebichu's "Middle School Students Forever (Preliminary Title) 2") Ebichū Land!