Jujutsu Kaisen, Vol. 18

In order to thwart the culling game, Itadori needs the help of Kinji Hakari, a third-year who is currently suspended from Jujutsu High, so he decides to participate in an underground fight club where Hakari works as a bookie. Meanwhile, Fushiguro infiltrates the fight club and heads for Hakari’s base of operations, but another Jujutsu High third-year is using their cursed technique to block his way! -- VIZ Media