Tohoshinki is a popular South Korean-Japanese boy band formed in 2003. Originally a five-member group, they gained fame for their powerful vocals and impressive dance performances. The group is known for their diverse music styles, including pop, R&B, and rock, and has released numerous albums in both Korean and Japanese. In 2010, Tohoshinki became a duo consisting of Yunho and Changmin after a legal dispute led to the departure of three members. Despite the changes, they have continued to enjoy success, holding concerts and winning awards across Asia, solidifying their status as one of the leading acts in the K-pop and J-pop industries.