Holo no Sekai Vol. 1

A half-Japanese otaku and a Youtuber named Saito Shinichi, also called 'Baka Screamer' from his fans. He won at a raffle from Cover Corp. and the prize is that you can get to interact with all of the Hololive members in the virtual world. As he enters in his character in the virtual world, the servers got shut down and now he's stuck in the virtual world. As he explore the world around him, he encounters some Hololive members but he realises that the girls have their own conciousness and has no idea what Hololive is. Shinichi's goal is to go back to the real world while making the girl get along together in order to progress

(This is the first volume of my Hololive-Isekai Fanfic named Holo no Sekai, which focuses the Hololive 0th Gen)