Till We Meet Again I: Death And Rebirth

Usagi is slowly weakening & the other Senshi don't know why & neither does Usagi. After she visits the doctor with her family, they are told that she has up to 12 weeks to live & that they should try to make Usagi happy as long as possible. Later on, a 14 year old girl named Emiko Yokoyama is in a coma at Juuban hospital & the only survivor of a terrible crash with no memory at all