Although the art is a bit r18, the plot and thrill is exciting. Mc is the survivor of a lost organization who is tryna get revenge on sayoung company. So she goes to a chaebol school to find the grandson of that group whilst studying there. Turns out the grandson isnt rlly a solid heir and his sister is more eligiible and evil. Thus mc os currently doing her best to take out shin myunghwan, her underling then deal w things as they cone. However a mysterious chara called jeonwoo(blonde boy) keeps helping her out of the blue and even seems to hv even greater power than the sa young group.