Diva is more than capable of making her own decisions. ...What she's done, and what happens because of that, isn't your fault, Saya. You were hardly the only person here who could have made Anri think it would be a good idea to attack Diva, because of what Diva has done.
[as much as he wished things were different, that they could do more, he has no doubt in his mind about that much. Saya is doing what she can]