[Shit, you poor thing. Sanji has seen too many ladies in tears lately and the sight always breaks his heart.]

Oi, oi. [His voice is soft, soothing, when he embraces her in a tight hug] What did I just tell you?

... I won't let you kill Riku, alright? That's something I can do. [There's heavy weight to his words - he knows very well what he's promising her] And he won't be alone in that fight, if it comes to that.