I presume FOG will be relevant to keep the cover-up until the very end; it would be too obvious if Asuna and Inoda just stop playing, even considering NTR logic.^^ As for Inoda and Asuna's relationship, there is no doublt, she will fall in love with him and be completely submissive.
Her relationship towards Kirito is somewhat harder to predict; it can be that she would want to break up with him as soon as she falls for Inoda, but he won't allow it, or she starts to hate Kirito because he is annoying, useless in bed etc..