Hasaba Nanako

Nanako Hasaba is an antagonist in the [i]Jujutsu Kaisen[/i] series and its prequel [i]Jujutsu Kaisen 0: Jujutsu High[/i]. She was [url=https://myanimelist.net/character/189224]Mimiko Hasaba[/url]'s twin sister and they were both allies of [url=https://myanimelist.net/character/175542]Suguru Geto[/url]. (Source: Jujutsu Kaisen Wiki)