Shounen Himitsu Club (少年秘密倶楽部) is a Japanese 2.5D idol group formed in summer 2022. The group is produced by former Fudanjuku member Sueyoshi Sakiko.
The group currently consists of seven female members playing male characters.
Members[]
Current Members[]
- Toru (透; Blue) (Original member; Graduating May 9, 2025)
- Aiichiro (愛一郎; Pink) (Original member)
- Natsu (ナツ; Orange) (Original member)
- Ayumu (あゆむ; Green) (Original member)
- Ouga (オウガ; Purple) (Joined August 6, 2023)
- Tatsuki (タツキ; Yellow) (Joined August 7, 2023)
- Tsugumo (白; White) (Joined July 25, 2024)
Former Members[]
- Hikaru (ヒカル; Yellow) (Original Member; Graduated March 28, 2023)
- Yami (ヤミ; Purple) (Original member; Graduated June 7, 2023)
History[]
2022[]
- April 3 - Auditions for the group were opened.
- June 14 - The preview video for the group was released and the date of their debut live was announced.
- From July 3 to July 15 - The 2D and 2.5D visuals were revealed one by one.
- From July 16 to August 4 - Lyric videos of their five songs were released on YouTube.
- August 5 - Their debut live Aim The Freedom was held at SELENE b2.
- August 17 - Fanclub was opened.
- September 3 - They started to do voice-only streams on YouTube.
- November 11 - New song Jiyuu no Kishu (自由の旗手) was performed for the first time.
- December 4 - They announced that they would stream their show Shounen Himitsu Club no Secret Time (少年秘密倶楽部のシークレットタイム) via Openrec. The show had eight episodes.
- December 7 - Natsu went on a hiatus until January 23, 2023 because of surgical removal of tonsils.
- December 31 - The group opened auditions to find 2nd generation members.
2023[]
- January 17 - They started to do 2D streams on YouTube.
- February 10 - Their 6 months anniversary live was held at SELENE b2.
- March 28 - Hikaru graduated.
- April 1 - It was announced that once they get 150 people to participate their regular lives, they will open individual Twitter accounts for the members.
- Late April - Stage play Shounen Himitsu Club -Rei- (少年秘密倶楽部-零-) ran from April 27 to April 30 at BOX in BOX Theater. The play told the group's backstory.
- June 7 - Yami graduated.
- August - New visuals and a new song Guren no Shiki (紅蓮の四季) were revealed. New members Ouga and Tatsuki joined.
- October 6 - New song Soushisouai Risoukyou (相思相愛理想郷) was revealed after the members gained 3000 Twitter followers in total.
- October 23 - Guren no Shiki was released on streaming services.
- December 09 - Rise&Shine was released on streaming services.
2024[]
- January 8 - Soushisouai Risoukyou was released on streaming services.
- March 19 - Get out! was released on streaming services.
- April - The stage play Shounen Himitsu Club -Rei- ran from April 17 to April 21 at Yorozu Theater.
- July - The stage play Shounen Himitsu Club [Ichi] ~Hakoniwa no Jiyuu~ (少年秘密倶楽部[壱]〜箱庭の自由〜) ran from July 3 to July 7 at Shinjukumura LIVE.
- July 3 - Their first digital album Aim The Freedom was released on streaming services. The album included their six debut songs.
- July 25 - New member Tsugumo joined.
Discography[]
Digital Albums[]
- [2024.07.03] Aim The Freedom
Digital Singles[]
- [2023.10.23] Guren no Shiki (紅蓮の四季)
- [2023.12.09] Rise&Shine
- [2024.01.08] Soushisouai Risoukyou (相思相愛理想郷)
- [2024.03.19] Get out!
- [2025.03.14] Junai Yuutsu (純愛憂鬱)
- [2025.03.20] AKASHI (証)
Unreleased Songs[]
- Jiyuu no Kishu (自由の旗手)
Gallery[]
Trivia[]
- The characters that the members are playing belong to a secret organization that is rebeling against the absurd world. They aim to bring courage to people with their rock music.
- The members stream as Vtubers on the group's YouTube channel in addition to their idol activities.
- The members cover a part of their faces with a mask when they post live videos or photos.