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.

Current Members

 * Toru (透; ) (Original member)
 * Yami (ヤミ; ) (Original member)
 * Aiichiro (愛郎; ) (Original member)
 * Natsu (ナツ; ) (Original member)
 * Ayumu (あゆむ; ) (Original member)

Former Members

 * Hikaru (ヒカル; ) (Original member, graduated March 28, 2022)