Our main character is a stoic and curt elite soldier who fights monstruous aerial beasts. Using special gear made from these same beasts, she can soar through the sky at high speeds, destroying these monsters with her own kicks.
Known for never cracking a smile, she actually melts every time she meets her lovely little niece, who she prioritizes above anything else in the world. But the day she can visit the girl at school, she gets involved in otherworldly situations one after another, and has to speedrun being isekai'd or completing a labyrinth so she can hope to reach the school in time...
A good story, all in all, with good action scenes and a healthy dose of humor and intrigue.