Oka Ruto from the game Yandere Simulator 2d vtuber

The style of the character, with its dark clothing and purple accents, is often associated with the "goth" or "emo" subcultures.
The model is likely a Live2D model, a type of 2D animation used for VTubers.
The character shares some similarities with the character Oka Ruto from the game Yandere Simulator, but is not an exact match.