This video is all about the relationship between Rini and Serena, 또는 Chibiusa and Usagi.... and how protective Serena/SailorMoon is of her future daughter....and how much they care and lvoe each other.
About Hotaru! At first she is lonely with no friends. She just wants the outcast and other poor people to live happly. In the end she meets friend that she'll never leave forever Song; The Hunchback of Notre Dame God Help the Outcast