Yoshino tells Masamune exactly what happened in their past and then convinces him to stop Gasou from getting too close to Aki.
Then why did you say out of the blue
that you wanted to be alone with her?
إذًا لمَ قلت فجأةً أنك تريد أن تكون على انفراد معها؟
Und warum willst du dann
plötzlich mit ihr allein sein?
तो फिर तुमने अचानक से क्यों कहा कि
तुम उसके साथ अकेले रहना चाहते हो?
E allora perché ora tutto a un tratto 
vorresti passare del tempo da solo con lei?
Então por que disse do nada que
queria ficar sozinho com ela?
Тогда чего это ты вдруг
решил побыть с ней наедине?