3rd artiste that will be collaborating with SID on 27th Dec is TOTALFAT
And for that , they will be sharing the stage with Aki
http://sid-web.info/pc_index.html
Mao already updated his blog on this
シド
DAIGO（with マオ）
GRANRODEO（with Shinji）
TOTALFAT（with 明希）
×××（with ゆうや） ※9月29日（月）解禁！
http://ameblo.jp/maofish/entry-11930458020.html
The artiste that will be collaborating with Yuya will be announced next Mon