Kal'tsit from Arknights holding a syringe HD Phone Wallpaper

An anime girl with white hair and cat ears, identified as Kal'tsit from Arknights, holds a syringe in her right hand. She wears a green and black outfit with a stethoscope around her neck. The background features a diagonal green and yellow stripe with the text 'KAL'TIST' in green.