It all happened so quickly. One second, Abernathy blinked against the brightened light and then Lumi was suddenly so very close to him and he felt Lumi's lips on his own but it was too quick to really feel it and
ohmigod
Abernathy was not a virgin - he'd had sex twice, the first time with an upperclassman he had fallen madly in love with, the second time with a boy at a party even though he had been head over heels for Kent. (Fortunately, Kent never found out about that.) So no, Abernathy was not wholly unfamiliar with being kissed, but some people stay blushing virgins well into their thirties. Abernathy was one of them.
"I-- I-- I--" he stammered. He had blown a gasket, it seemed, unable to piece this together. He was tired, bamboozled and now he felt vaguely horny. He blinked, mouth agape, trying to decide what the hell he needed to do now.