What should be his name?

Once Barnavelde, a boy, who was destined to kill the daughter of the evil queen, Twice Kersten, in order to cut the dynasty once and for all and avenge his mother and sister from unjustfied deaths. Part of Once's strategy in killing Twice was befriending her first. But what will happen if Once fell in love with Twice? Will he be able to accomplish his mission or, will he let Twice live and just kill her mother, the evil queen, Esmèe? but that will leave Twice in misery.