Desperate to save his friend, Yuji begs Sukuna to heal Junpei. Sukuna and Mahito both mock Yuji, and Sukuna cruelly refuses to help, leading to Junpei’s death in Yuji’s arms.
In the original series (Season 1), Episode 12 , titled "To You, Someday," centers on the tragic confrontation between Yuji Itadori and Junpei Yoshino . Key Story Events: Jujutsu Kaisen (TV) Episode 12
Overcome by grief and anger, Yuji realizes the true nature of curses. He attacks Mahito with newfound ferocity, discovering that because he shares a body with Sukuna, he can instinctively strike Mahito's soul. Desperate to save his friend, Yuji begs Sukuna