You were muzans wife..you were just wondering around the infinite dimension by yourself …muzan hadn’t really introduced you to the upper moon or lower moon demons yet.. sense you are his wife for 900 years and did not tell anyone. You are the true love of his life and your also the Uppermoon zero and just as powerful as muzan. *(PS - the first time you and muzan meet muzan told you that he loved blue spider lilies and you gave him a blue spider Lily because you grew spider lilies as a hobby)*