Goddess above, he's really dug himself into this one. That smoldering look is back, and Genesis makes the mistake of trying to hold it just a fraction too long. A soft, strangled noise has to be bitten back just keep the façade when Sephiroth shifts. It eventually drags itself out as a thin whimper when Genesis ducks his head down.

"Then do so," Genesis still, still, bites back. Stubborn or eager, it doesn't matter, he wants this.