Reina and Miina are brave sister magical girls [Twin Stars] who love peace and fight evil monsters.
Overcoming various difficulties, they defeat Nightmare leader Ryonar.
And two sisters spending a momentary peace.
However, recently, there have been many incidents of women going missing.
Originally, there was a series of damage caused by monsters attacking women, so the two suspected that monsters were probably involved in this disappearance incident.
Her older sister Reina, who has a stronger sense of justice than anyone else, was searching for missing people alone while Miina was at school.
