I Live Alone is recognized as one of the "Real-Variety" show in Korean television. The program is unscripted with using documentary techniques with variety show elements. Every Friday night, this programme shows selected Rainbow members' everyday lives, both in and out of their residing places. As proclaimed on its official homepage, there are about 5 million 'single's in South Korea, and about one-third of South Korean entertainers are also in 'single' status. This programme is to recollect their daily lives, and form its unique sympathies among the singles within South Korea by showing celebrities' lives without significant filtering. Since its beginning, each hosts of this programme gathered to form a club called Rainbow