Dageki-kei Onikko ga Yuku Haishindou!

Self-proclaimed "part time warrior" Nanaka Futayado has too much time on her hands after all the places she worked at went out of business. It was then that her her pro gamer and live-streamer friend invited her to play "WorldLive-ONLINE," the world’s first VRMMO with an integrated live-streaming function. This is the exhilarating blugeoning story of an IRL cheat girl (age 21) who goes on a rampage in the VR world with a blunt weapon, striking fear into her live-stream viewers!

(Source: Shousetsuka ni Narou, translated)