In , titled " Ryomen Sukuna ," the series introduces a world where negative human emotions manifest as "Curses"—monstrous entities that haunt humanity. Plot Breakdown
: The episode introduces Yuji Itadori , a high schooler with superhuman physical abilities who spends his time with the Occult Research Club. After his grandfather passes away, he is left with a final message: to use his strength to help others and "die surrounded by people". Jujutsu kaisen 1x1
: In a desperate bid to save Megumi and his friends, Yuji swallows the finger to gain its power. While the finger is usually a deadly poison, Yuji survives and becomes the host for Sukuna. In , titled " Ryomen Sukuna ," the
: A stoic student from Jujutsu High who introduces the concept of fighting "evil with more evil". : In a desperate bid to save Megumi
: Defined by his selfless, kindhearted nature and abnormal strength. His journey from a normal student to a "reluctant hero" is a central theme.