Yokuwakaru Gendai Mahou

Yokuwakaru Gendai Mahou Summary:

“You too can become a wizard!” Thus begins Koyomi’s story.
Wanting to change herself, Koyomi becomes a student of Misa, the modern era’s strongest wizard. Koyomi is clumsy and short for her age, but it looks like she has magical talent… however, just as her first spell terminates strangely, daemons appear and start causing trouble.