I am the Saviour that the Male Leads Abandoned

I possessed a savior in a tr*shy 19+ novel, receiving excessive attention and love from the male protagonists who are obsessed with me. It happened a staggering hundred years before the birth of the female protagonist, according to the original setting. Although I succeeded in sealing the male protagonists and the Demon King according to the original plot… “As promised, I will erase your existence from this world. So that no one remembers you.” Everyone in the world forgot about me, even the male protagonists. So why is this happening? “The promised golden castle is being built. Will you come when the castle is completed?” “…You promised that you wouldn’t go anywhere.” “What do you wa...