Kaito is nothing less than stunned when he turns back around just in time to feel the soft pressure of Gakupo's lips against his own, and in a moment of mutual shock, neither of the two move. Once the spell is broken, however, both of them jump back away from each other. Kaito frantically wipes his mouth on the back of his sleeve, as though if he does it enough it will undo the horrible mistake that just transpired.
"Oh, I'm sorry," Gakupo says quietly, looking somewhat embarrassed and with a slightly pinker tone to his cheeks than usual.
Kaito, on the other hand, has turned beet red and can hardly vocalize the breathless response of "…um, y-yeah…me too…" Even being an attractive, 20-year-old young man, Kaito is completely inexperienced in the sex department in general, let alone with men. Certainly in his case it's by choice: he could have any number of partners if he wished to, but he's always preferred to focus on his other, more important interests in life, like s