After being pulled into the Nasuverse by Gaia and Alaya following a car accident, Shinji transmigrates to the Root and obtains a rescue System. By completing its missions, he can gain power and grow stronger. Shinji then gains the ability to transmigrate between worlds, setting off to save the tragic figures whose stories break your heart. [The Type-Moon world is the main setting, but he can also travel to other worlds.]
