Kizuna Simulation

On July 9, 29production unveiled Kizuna Simulation as the first underground idol group that they have produced. Kizuna Simulation will be a four-member live idol group with members MiU, Sae, Akane and Himari whom will make their live performance debut at the IDOL FESTA 01 event at Flex Lounge in Yanghwa, Mapo, Seoul. On August 2, it was revealed that Kizuna Simulation will release a pre-debut single album, titled "Touch To Start!

", on August 4. The single album was officially released on August 4, 2021 along with a music video. On August 7, upcoming merchandise for fans was unveiled.