Intou Yobanashi ~Ai to Seigi no Tenshi Lumiere~ Dai 6-shou – Uragiri to Haiboku no Akuochi Hen

A different world with unusually developed science and magic technology, completely different from reality.
The main character wanders into this world and meets a group of girls who transform themselves using their magical powers.

The girls are fighting against “irregulars,” invaders from outer space who are planning to invade the world,
The protagonist is told that she has the potential to use magic as well.

One day, the girl is attacked by the invading Irregulars.
The protagonist reaches out to rescue her, their hands touch each other, and they are enveloped in a dazzling light.

This body…!

The two bodies fuse together. The protagonist’s consciousness is still in the form of the girl.
Wielding the power of magic, she knocks down her enemies.
A new superheroine was born to save the world..!