Yokuwakaru Gendai Mahouよくわかる現代魔法; Properly Learned Modern Magic; Yoku Wakaru Gendai Mahō; Yoku Wakaru Gendai Mahou

The story revolves around Koyomi Morishita, a clumsy high school freshman girl who is often mistaken for a grade-schooler because of her shortness. Koyomi becomes a disciple of Misa Anehara, a 25-year-old graduate student who happens to be one of the most powerful modern-day magicians.