龜梨和也
On March 18, 2007, co-lead vocalist Kazuya Kamenashi was a guest on "Shounen Club Premium" where he collaborated with Tokio vocalist and keyboardist Tomoya Nagase and Kokubun Taichi for a one-off performance of the single. KAT-TUN also performed with Every Little Thing on their talk show "Cartoon KAT-TUN" on February 27, 2008, singing the title track and ELT's single, "Shapes of Love".