>>9845926Her older Coco voice was just a huskier exaggerated version of her earlier slurpier Kumichou voice. When Coco debut in hololive, her roommate was still active on kson組長 channel and streamed games like RE4 on a weekly basis. Where she used her more normal (non-high pitched/still high pitched) voice.
https://youtu.be/pMQ3rrvXBggIn one of the first few Asacoco. She broke character and accidentally used her actual slurpy durpy voice. You can notice it when she unmutes her mic in link related. And if you watched her NND Siren playthrough or reaction, you'd recognize that the derpiness sounds identical. You know looking back, it's bizarre how different she sounded as Kumichou vs the first sixth months as Coco vs Now. Maybe it's her evolving into a more experienced and confident streamer? If so then joining hololive played a huge part in this development. Wild.