Omniscient Reader's Viewpoint, Vol. 9 by UMI

I would watch out for her if I were you. The cryptic warning echoes in Dokja’s head, but which woman was Junghyeok referring to? On one hand, there’s Suyeong Han, a former enemy who has proven to be a surprisingly reliable ally. And on the other is Sangah Yu, a longtime companion he has just been reunited with. Normally, Dokja would have instantly suspected Suyeong. Except Sangah has…changed. There’s steel in her eyes as she mows down her foes with abilities she shouldn’t possess! Just what happened to her in the short time they were separated? And can he trust these two deadly women to watch his back?