[LunaToned]

Originally Posted by GenjiChan

Spoiler for Not sure if Spoiler:

One word: "Asuna"

Thus is the only word for Kirito to incidentally needed say in front of Leafa to reveal everything.

Spoiler for Ep 15+:

Wait.. so are you telling me Suguha didn't know Kazuto was Kirito o_o? i thought she knew it was him but he didn't know it was her?