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--
your future, your everything, 
to try to rely on me...
...ومستقبلك وكلّ شيء لديك لتحاول الاعتماد عليّ
tu m’offrirais ta vie entière
sur un plateau !
Mi hai offerto tutto di te per chiedere il mio aiuto!
e tudo o que você é,
pra depender de mim!
всё: гордость, будущее —
и полагаешься на меня!