Kira no Majutsu

After failing to make her high school debut, sisterly girl Kira finds herself completely isolated. In order to get back on track, the first thing she needs to do is to make friends... But the first person who catches her attention is a mysterious boy who is also isolated. When she gets involved with him, who describes himself as a "dragon," she begins to see things that she hadn't seen before...!

(Source: Kadokawa, translated)