The group was formed alongside their brother group SHOW-WA through the "Yume wo Akirameru na! Audition" (Don't give up your hope Audition) held by avex, JAPAN MUSIC ENTERTAINMENT, and Y&N Brothers from June to July 2023. The audition was open men aged 25 and over and 12 people were selected from over 3,000 applicants.
Both groups are based on the concept of "bringing Showa and Showa pop music to the modern age". Therefore, they primarily sing Showa and Heisei era pop songs.