Rahut Rissaya (2020)

When the heiress of a billionaire family lost everything including her parents who got murdered...lost all the properties to her aunt and her daughter. Her revenge starts with blackmailing Siwa Ratthanarith, the guy her cousin is in love with, about his father's indiscretions and evil deeds. She uses this confidential document as a way to force/pressure him. But their closeness turns to love. Before she starts to see the value in his love and to learn how to forgive, everything is almost too late.