Tohru starts training with Elma to prepare for the Arena of Trials. But who will prevail when they find themselves up against three boss-tier opponents?! And what does Miss Kobayashi really think of Tohru's desire to get stronger?

Meanwhile, chaos ensues when Lucoa's little sister unleashes her twisted love on Shouta-kun, and unknown depths of havoc are unlocked when Kanna learns about static electricity. It's Volume 15 of this tale of humans and dragons learning to coexist!