Naruto: Shared Talent

After transmigrating into the Naruto world, Ren Kurogane gains access to a mysterious space where he can meet versions of himself from other worlds. A ninja. A pirate. A mutant. A speedster. A genius scientist. With a simple fist bump, they can share all their powers. But among the countless versions of Ren Kurogane gathered there, one person quietly sits in the corner… Holding a hypnosis phone that might be the most dangerous ability of them all. — Description from novelcodex.org