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]