Live forever and enjoy everything;
Immortality. But there is also helplessness;
Rebirth was never her goal, she just traveled through time and space through rebirth;
Vongola, she has nothing to do here, why should she watch;
Judai, not the first generation, why let her be Yukimori;
Prynne. You and I are not related, so why do you have nothing to do to help you rule the world?
In short, if you have something to do, stay aside and watch if nothing happens...
I feel like everything I wrote before is unsatisfactory, so I plan to revise everything... It will be different from before... Please don't mind... Just read it as a brand new article...