"Hololive" refers to a group of female VTubers belonging to "Hololive Production", a Virtual YouTuber agency operated by Cover Co., Ltd.
Starting on September 7th, 2017 with their first VTuber, Tokino Sora, this group has spread into a variety of genres, including games, music, anime and more. On January 24th, 2020, they held "hololive 1st fes. Non-stop Story" at Toyosu PiT. You just can't keep your eyes off these gorgeous girls.