Puffy is a Japanese pop rock duo formed in Tokyo in 1995, consisting of singers Ami Onuki and Yumi Yoshimura. In the United States, they adopted the name Puffy AmiYumi to avoid legal naming conflicts with Sean Combs, who also performed under the name Puffy. They sing in Japanese and English.

Tamio Okuda is a Japanese singer, songwriter, and producer. He started his career in 1986 as a member of the band Unicorn. After Unicorn broke up, Okuda moved on to a solo career in 1994 with the single "Ai no Tame ni". He has written and composed many songs for various artists, particularly Puffy. He is signed to Sony Music Japan.