Rescue - KAT-TUN song - was created on 2009-03-11.
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Chain - KAT-TUN album - was created on 2012-02-22.
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actually we can that the main singer is kamenashi kazuya but the
to what happened to kat-tun again *koki leaving :'(* I think
kat-tun has no leader they are all present in every song which is
actually good