Hakui Koyori from Hololive holding a test tube HD Wallpaper

A pink-haired anime girl with cat ears, identified as Hakui Koyori, is depicted in a laboratory setting. She is wearing a white shirt, pink tie, and a dark skirt with pink accents, along with black pantyhose. She holds a test tube filled with blue liquid and smiles at the viewer, with holographic screens displaying scientific data in the background.