Rainz was a South Korean boy band formed in 2017 through the reality show Produce 101 Season 2. The group consisted of seven talented members, all of whom already had experience in the entertainment industry.

With their debut album Sunshine, they quickly gained a loyal fanbase. Rainz was known for their captivating performances, harmonious vocals, and charismatic stage presence. Hits like "Juliette" and "Turn It Up" thrilled fans around the world.