A villain's heart

After Princess Astoria and Prince Ikaris wedding, Ikaris leaves for a mission.
Astoria is left alone for five years dealing with loneliness. When her husband comes back, she tries navigate through their loveless marriage but they slowly fall in love but everything is ruined when she is picked to be in a tournament. Will she be able to go through the tournament and keep her marriage intact as she fights for her own kingdom? Or will everything fall apart?