Mameshiba no Taigun Tonai Bousho a.k.a. MonsterIdol

{{Infobox musical artist

| name = Mameshiba no Taigun Tonai Bousho a.k.a. MonsterIdol

| image =

| caption =

| image_size =

| landscape = yes

| origin = Tokyo, Japan

| genre = J-pop

| years_active = 2024–2025

| label = WACK

| alias =

| website = {{url|https://monsteridol.jp}}

|spinoff_of = {{hlist|Mameshiba no Taigun|Tonai Bousho}}

| current_members =

Nao of Nao
Aika the Spy
Leonaempire
Momoti Ngale

| past_members =

Miku

}}

{{nihongo|Mameshiba no Taigun Tonai Bousho a.k.a. MonsterIdol|豆柴の大群都内某所 a.k.a. MonsterIdol}} was a Japanese alternative idol girl group formed in 2024 when Mameshiba no Taigun and Tonai Bousho merged into one group. They made their first recording in April 2024. They went on an indefinite hiatus in January 2025 after Mameshiba no Taigun resumed activities.

History

On January 6, 2024, Mameshiba no Taigun and Tonai Bousho merged to form Mameshiba no Taigun Tonai Bousho a.k.a. MonsterIdol.{{cite web|url=https://www.oricon.co.jp/news/2308166/full/|title=『水ダウ』発、豆柴の大群と都内某所が合併 5人組新グループで活動|website=Oricon|date=December 25, 2023|lang=ja}} In January, they embarked on the MonsterIdol Tour.{{cite web|url=https://skream.jp/news/2023/12/mameshibanotaigun_tonaibousho_aka_monsteridol.php|title=豆柴の大群と都内某所が合併、新グループ"豆柴の大群都内某所 a.k.a. MONSTERIDOL"誕生。新体制初となる東名阪ツアー"MONSTERIDOL TOUR"開催決定|website=Skream!|date=December 24, 2023|lang=ja}} Miku withdrew from the group on March 31 due to the worsening of her chronic illness.{{cite web|url=https://natalie.mu/music/news/567434|title=「水ダウ」発アイドル・豆柴の大群都内某所 a.k.a. MONSTERIDOLのミクが脱退、WACK退所|website=Natalie|date=March 31, 2024|lang=ja}} They released their debut single, "Wonderland", on April 3.{{cite web|url=https://ototoy.jp/news/115967|title=豆柴の大群都内某所 a.k.a. MONSTERIDOL、1stシングル発売決定&新ビジュアル公開|website=Ototoy|date=January 6, 2024|lang=ja}} On August 1, they released the digital singles "High Hopes" and "Ikasama Dance".{{cite web|url=https://ototoy.jp/news/119116|title=豆柴の大群都内某所 a.k.a. MONSTERIDOL、新曲「HiGH HOPES」「イカサマダンス」配信リリース|website=Ototoy|language=ja|date=August 1, 2024}} The group performed at The Underworld in London alongside ASP and Bis on August 28.{{cite web|url=https://natalie.mu/music/news/566953|title=3度目の「WACK in the U.K.」開催決定！夏のロンドンにASP、BiS、豆柴都内が集結|website=Natalie|language=ja|date=March 28, 2024}} They performed in London for the second time alongside ASP and ExWhyZ on November 27.{{cite web|url=https://storywriter.tokyo/2024/11/29/6507/|title=【現地レポ】WACK4度目の英国ロンドン公演でASP、ExWHYZ、モンアイが熱演、来年3月にはギャンパレが2度目のUK上陸へ|website=Story Writer|language=ja|date=November 29, 2024}} They released their first album, Toppa, on December 25.{{cite web|url=https://ototoy.jp/news/119588|title=【オフィシャルレポ】豆柴の大群都内某所 a.k.a. MONSTERIDOL、ツアーファイナルで1stAL発売発表|website=Ototoy|language=ja|date=September 8, 2024}} On January 8, 2025, the group went on an indefinite hiatus after the re-formation of Mameshiba no Taigun.{{cite web|url=https://www.barks.jp/news/?id=1000253284|title=豆柴の大群、復活|website=Barks|date=January 8, 2025}}

Members

;Current

{{nihongo|Nao of Nao|ナオ・オブ・ナオ}}
{{nihongo|Aika the Spy|アイカ・ザ・スパイ}}
{{nihongo|Leonaempire|レオナエンパイア}}
{{nihongo|Momoti Ngale|モモチ・ンゲール}}

;Former

{{nihongo|Miku|ミク}}

Discography

=Studio albums=

class="wikitable plainrowheaders" style="text-align:center;" ! scope="col" rowspan="2"\| Title ! scope="col" rowspan="2"\| Album details ! scope="col" colspan="2"\| Peak chart positions
scope="col" colspan="1" \|Oricon {{cite web\|title=Mameshiba no Taigun Tonai Bousho a.k.a. MonsterIdol {{pipe}} Oricon Style\|url=https://www.oricon.co.jp/prof/921506/products/\|work=Oricon\|accessdate=February 28, 2024}} ! scope="col" colspan="1" \|Billboard {{cite web\|url=http://www.billboard-japan.com/charts/detail?a=hot_albums\|title=Billboard Japan Hot Albums\|work=Billboard Japan\|access-date=November 2, 2019}}
scope="row" \| {{nihongo\|Toppa\|突破}} \| Released: December 25, 2024 Label: Avex Trax Formats: CD, digital download \| 16 \|\| —

class="wikitable plainrowheaders" style="text-align:center;"

! scope="col" rowspan="2"| Title

! scope="col" rowspan="2"| Album details

! scope="col" colspan="2"| Peak
chart
positions

scope="col" colspan="1" |Oricon
{{cite web|title=Mameshiba no Taigun Tonai Bousho a.k.a. MonsterIdol {{pipe}} Oricon Style|url=https://www.oricon.co.jp/prof/921506/products/|work=Oricon|accessdate=February 28, 2024}}

! scope="col" colspan="1" |Billboard
{{cite web|url=http://www.billboard-japan.com/charts/detail?a=hot_albums|title=Billboard Japan Hot Albums|work=Billboard Japan|access-date=November 2, 2019}}

scope="row" | {{nihongo|Toppa|突破}}

Released: December 25, 2024
Label: Avex Trax
Formats: CD, digital download

| 16 || —

=Singles=

class="wikitable plainrowheaders" style="text-align:center;" ! scope="col" rowspan="2"\| Title ! scope="col" rowspan="2"\| Year ! scope="col" colspan="1"\| Peak chart positions ! scope="col" rowspan="2"\| Album
scope="col" colspan="1" \|Oricon
scope="row" \| {{nihongo\|"Wonderland"\|わんダーらんど}} \| rowspan="4"\|2024 \| 6 \| {{Non-album single}}
scope="row" \| "High Hopes \| — \| rowspan="3"\|Toppa
scope="row" \| {{nihongo\|"Ikasama Dance"\|イカサマダンス}} \| —
scope="row" \| "Break Out" \| —
colspan="4" style="font-size:85%" \| "—" denotes releases that did not chart or were not released in that region.

class="wikitable plainrowheaders" style="text-align:center;"

! scope="col" rowspan="2"| Title

! scope="col" rowspan="2"| Year

! scope="col" colspan="1"| Peak
chart
positions

! scope="col" rowspan="2"| Album

scope="col" colspan="1" |Oricon

scope="row" | {{nihongo|"Wonderland"|わんダーらんど}}

| rowspan="4"|2024

| 6

| {{Non-album single}}

scope="row" | "High Hopes

| —