The animation doesn't just support the action, it IS the action, every frame designed to make you feel the impact before your brain processes what you're watching. Yuji swallowing that finger isn't a plot device, it's a deal with the devil that costs him everything, and the show never blinks away from what that means. You either surrender to the spectacle or you don't, and if you do, you're watching one of the most visually relentless shows on TV.
Yuji Itadori is an ordinary high schooler with an extraordinary problem: he's swallowed the finger of a powerful curse and now shares his body with Sukuna, a centuries-old demon trapped inside him. To prevent Sukuna from wreaking havoc on the world, Yuji must consume all twenty of the curse's fingers while learning to control the monster living in his skin. Guided by Satoru Gojo, the strongest sorcerer alive, Yuji enrolls at Tokyo Metropolitan Technical High School, a hidden academy where jujutsu practitioners train to exorcise curses. But Sukuna isn't interested in cooperation. He whispers temptation, demands control, and tests Yuji's resolve with every passing day. As Yuji fights alongside fellow students and veteran sorcerers, he realizes the curse inside him holds secrets about an ancient catastrophe. The line between host and parasite blurs. The question isn't whether Yuji can defeat Sukuna, but whether he'll survive the attempt.