Mahito deftly uses Yoshino's admiration toward him to make him fight Itadori. Yoshino races toward vengeance and Itadori exchanges blows with him to try and make him explain his motive, which leads to him learning the cruel truth from Yoshino's lips. That's when Mahito creeps up beside them and--
Why won't Moon Dregs' poison work on him?
لمَ لا يعمل سمّ رواسب القمر خاصتي عليه؟
Wirkt Mondspiegels Gift nicht?
¿El veneno no funcionó?
¿El veneno no ha funcionado?
Mon poison ne lui fait rien ?
Perché il veleno di Luna nello Stagno non ha effetto?!
Лунная грязь на него не действует?