Hightlight from the 62nd Kōhaku broadcast
White Team
Arashi
Inoue YosuiEXILE
Yuzo KayamaKanjani ∞
Go Hiromi
Kubukuro
SMAP
TVXQ
TOKIO
Hideaki TokunagaAAA
Toshiyuki NishidaKen HiraiFUNKY MONKEY BABYS
Masaharu FukuyamaPorno Graffitti
Yuzu
Rake
Red Team
aiko
Ayaka
Angela Aki
Ikimonogakari
AKB48
Kimura Kaela
Kyary Pamyupamyu
Koda Kumi
JUJU
Shōjo Jidai (Girls Generation)
SKE48
Kana NishinoPerfume
Ayumi Hamasaki
Princess Princess
Yo HitotoMizuki NanaMorning Musume.
Momoiro Clover Z
YUI
Pink Martini &
Saori Yuki--------------------------------------------------------------------
Seems like Kōhaku must not have officially banned Kpop or Oricon would have never included Korean groups in it's predictions The addition of MM is bold but I think next year is a better bet for their return to Kōhaku. Also I'm surprised they didn't think NYC or Sexy Zone would be invited.
Source