Read Jujutsu Kaisen - Chapter-80

Summary of Chapter 80 - Evening Festival - 宵 (よい

Following a long-standing agreement gone wrong, Kokichi and Mahito finally come to blows. Geto makes sure he doesn't escape, so Kokichi's only chance is to use Mechamaru's best abilities to exorcise Mahito and warn Satoru Gojo of their plans for him on October 31st in Shibuya.