Sixteen magical girls are created in Nabuka city through a social game, but it's announced that only eight can remain, leading to a ruthless battle for survival.Sixteen magical girls are created in Nabuka city through a social game, but it's announced that only eight can remain, leading to a ruthless battle for survival.Sixteen magical girls are created in Nabuka city through a social game, but it's announced that only eight can remain, leading to a ruthless battle for survival.