Boysgroup, stylized in all caps, was a Japanese alternative idol boy band formed by WACK in 2022. They debuted with the studio album, We are Boysgroup, on January 18, 2023.^[1] They disbanded on May 14, 2023.

In 2021, WACK held the Project WACK-Chin Audition.^[2] The winner of the audition, Tasukukusu, would go on to take part in WACK's first all-male audition, the WACK Men's Joint Audition, in February 2022.^[3] During the audition camp it was announced that WACK intended to debut its first boy group. By the end of the audition camp Tasukukusu had been eliminated and three finalists – John Gokuh, Chin Bonbon, and Che Jiming, later known as Rin, Ryosei, and Shunji, respectively – were announced as members of the upcoming group.^[4] The group went by the tentative name, WACK Boyz.^[5] The Second WACK Men's Joint Audition was held in August 2022. At the end of the audition camp four of the participants: Ecchichichiichiichii, New, Yatto The Endo, and Hanagemonster, later known as Hinata, Haru, Ayuru, and Ryota, respectively, were chosen to also join the group.^[6] Hinata withdrew from the group in October 2022.^[7] On December 7, the group was given the name Boysgroup.

They released their debut album, We are Boysgroup, on January 18, 2023.^[1] Their first single, "Super Hero", was released on May 10.^[8]

They disbanded on May 14 after their final performance of the Boysgroup 1st Oneman Tour at Esaka Muse in Osaka.^[9]

• Ryosei (リョウセイ)
• Rin (リン)
• Shunji (シュンジ)
• Haru (ハル)
• Ayuru (アユル)
• Ryota (リョウタ)