Yuube wa Otanoshimi Deshita ne

The story centers around Powder, who has been enjoying the world of Dragon Quest X and spends every day playing with party members online. One day, Powder unexpectedly has to share a room in real life with a teammate named Gorō. They discover that their real-life personas are not quite the same as their game personas.
(Source: Ceki at MDL)
~~ Adapted from the manga by Kindaichi Renjuro.