Niconico Live

Niconico Live (Japanese: ニコニコライブ, Nikoniko Raibu, or ニコニコ生放送, Nikoniko Namahōsō) is a personal live streaming service of Niconico. It was released as a trial service on December 25, 2007 and then became available towards every premium user on December 12, 2008.

It is noted that one must create an account as well as have premium perks paid to view Live videos.

Involvement in Tenkai Knights
Japanese episodes of Tenkai Knights can be viewed on NicoNico Live.