In a world where most people are born with an incredible superpower, and superheroes and villains are not from fiction, only a few things can be called 'extraordinary'; however, there's an extremely mysterious phenomenon in the world that has intrigued humanity for a very long time: it is possible to communicate with your soulmate sending a paper plane. Tomura Shigaraki avoids getting involved in all that soulmate stuff, but soon he sees himself trying to find his soulmate.