This is Kobo Kanaeru imitating Anya mocking expression. I must say, the expression really suits Kobo.It’s really mocking.
She is a Gawr Gura from hololive, Cute gura is using her laptop and it seems she is humming a very cute song.
This is Hakui Koyori in holoive, enthusiastic research, curiosity, self-proclaimed “holoX brain”, Hakui Koyori is really very cute!
This is a super cute chibi gif of Nanashi Mumei from Hololive, she appears to be very joyful and is likely singing.