Seiya no Tokubetsu Namahousou
This was a live broadcast for the game Azur Lane.
The seiyuu participants were Tachibana Shinnosuke and Terashima Takuma. Both of them actually play the game.
For the second part, Shinnosuke and Takuma wore reindeer pajamas.
They showed a lot of new game information, including new outfits for the characters.
There was a video message by Horigome Saya.
They showed some new Azur Lane goods.
They gave some information on upcoming events in Akihabara. There will be an Azur Lane pop up store, and a sticker rally (12/26 to 1/14).
Then they showed a promo video of a theme song for Azur Lane, called "Wishness". This song was sung by the following cast.
[Azur Lane broadcasts]