Prologue. Neo Tokyo Panic.

After the events of Sailor Moon Another Story (Good ending) Sailor Sin (Sailor Moon counterpart) was being chased by an old enemy of the Sanctuary, as this enemy was determined to use Sin as a Yorishiro. The name of the new Villain was Hel, Goddess of the Underworld. Sin's only hope is to go back in time and find the only warrior that Hel feared. Alioth Fenrir