I Became the Wife of the Monstrous Crown Prince

She transmigrated into the body of “Ancia”, the wife of the monstrous crown prince, “Blake” in a R-19 romance novel. In the original story, Ancia committed suicide on her first day of marriage, leaving Blake with a huge trauma. But this time, Ancia didn’t have any intention of leaving him. Blake is the second male lead in the original story. He is potrayed as a beast who posses’ an exquisite facade. Yet, right now, he behaved like a naive rabbit. The only person who can remove the crown prince’s curse is the heroine, Diana. My only role is to keep this little boy from getting hurt and then step down in time. But..... “Ancia, don’t leave me!” This little rabbit keeps chasing me.