The popular Hololive VTuber is known for using similar flustered vocalizations during her gameplay and roleplay.
The specific rendering appears to be a result of character encoding issues (mojibake) where non-ASCII characters (likely Korean or Japanese) are incorrectly displayed. In its intended form: м•„м™Ђм™Ђм™Ђ (awawawa)
It corresponds to 아와와와 (awawawa) , which mirrors the Japanese usage for surprise or panic. The popular Hololive VTuber is known for using