Hideaki Takizawa , also known professionally as Tackey (タッキー), is a Japanese record producer and former singer and actor. Takizawa debuted as an actor in 1995, and in 2002, he made his musical debut as the duo Tackey & Tsubasa with Tsubasa Imai.

Johnny & Associates, Inc. was a Japanese talent agency formed by Johnny Kitagawa in 1962, which managed groups of male idols known as Johnny's. Until 2019, it was infamous for its strict policies involving their foreign distribution of music, as well as their strict control and influence over the men and boys whose careers the company managed.