Shūji (修二) and Akira (彰) are the names of the characters Kamenashi and Yamashita play in the drama respectively.
Although the drama has long finished on television, the duo have revived their performance of their song "Seishun Amigo" (青春アミーゴ, Youthful Friends) numerous times.
"Seishun Amigo" was used as the theme song for the drama Nobuta wo Produce starring Kamenashi, Yamashita and Maki Horikita.
[8] In 2010, Seishun Amigo was reported by the Oricon's magazine, OriStar, for having sold over 1,627,000 copies and was later certified Million by RIAJ denoting over 1,000,000 shipments.
"Senaka goshi no Chance" was used as the theme song for the drama Boku, Unmei no Hito desu starring Kamenashi, Yamashita, and Fumino Kimura.