Jina seo is character from manhwa called Villain to Kill. Shes a Villain.
Jina Seo is the boss of Seoul's Southern Vilzone despite not being a villain at all. She has struggled to take her place as a lord of Winterbell, such that she is considering reaching out for help.[1]

Jina seo is a young woman who disguises herself thoroughly when acting her part as vilzone boss, going so far as to shield her face, bind her chest and wear a voice scrambler. The voice scrambler generates a monotone.