Rebecca is a sword master, who reincarnates to a familiar and unfamiliar world hoping to live a better life as Eleanor. However, her life quickly takes a turn for the worse when her father and mother pass away, leaving her to take care of her brother alone. With the help of a divine object which allows Eleanor to go undercover as a boy she names Elin, Eleanor makes new connections and finds new companions who come along on her journey to re-discover herself as she faces her imminent death if she is unable to become 'whole' again.