Mahou Shoujo Inori ~Ishukan Haramase Mugen Ingoku~

Inori was a smart, slightly cool girl living an ordinary school life.
One day, out of nowhere, she found herself face-to-face with a horrifying monster attack.
As she teetered on the edge of passing out, a strange little creature appeared before her.
"Become a magical girl right now and save them!"
Without thinking, Inori transformed and began taking down the monsters one by one…

[Translated from dlsite]