Y/N is a new transfer student at Jujutsu High whose unstable shadow-based cursed technique behaves unpredictably around other sorcerers—especially Megumi Fushiguro. Assigned to train under his supervision, the two quickly discover their abilities are mysteriously linked, causing their cursed energy to resonate in ways neither of them understands. As missions grow more dangerous, they’re forced to rely on each other to keep control of their powers—and survive.