http://live.nicovideo.jp/watch/lv166913112
Today I only watched around an hour (but took enough pictures for 3) and totally missed the ending SOB.
For those who don't know what this event is, from what I understood is a cosplay event broadcasted live on nicovideo where cosplayers get the chance to get on stage through a raffle (they each take a number and hope to be chosen), surrounded by big LED monitors that show different backgrounds and effects and live comments from nicovideo, only the Japanese comments. The English comments didn't show. It seems the entrance is free for this event.
The annoucers today were Danii (cosplaying as Hoozuki from Hoozuki no Reitetsu, later Spiderman) and Kami (Yuna from Final Fantasy).
I'll add captions with the characters I can recognize, for you to know if you're curious. If I skipped anything and you know the character, please leave a comment!