Shark

both have anti-hero male leads
both MLs want revenge
strong FL

>Both Makjang

> The main leads are in love with the same person

> The second main lead married the person that the main lead loves

>Eun Jo and Yi Soo have character development

>Eun Jo becomes Hwang Ga Heun and Yi Soo becomes Jun Yoshimura to hide their real identity and to plot revenge on the people who were behind their suffering

>Eun Jo and Yi Soo's father was killed by someone else

>Both Makjang
> Both main lead suffered in the beginning
>Both main lead wants to revenge the death of their parent
>Both main lead and second main lead in love with the male/female main lead
>Both second main lead married the male/female main lead
>Both main lead are being helped by the person who adopted them
>Both main lead changed their name and hid their identity - Kang Yi Kyung -> Seo Jeong Ah , Han Yi Soo -> Jun Yoshimura
>Both stories have good elements of revenge
>Both main lead are witty

FL Married to someone else, Revenge plot on ML side, Memory loss of ML or at least Fake memory loss of ML

Both have a horrible crime and revenge

Both make you excited and watching it nonstop

Both are my favourites and have great actors ????