Humming in pleasure, Sirius's hand smooths from the curve of Kieren's jaw down to the slope of his neck, easily melting into kiss after kiss. It isn't the best angle, curved as his neck is like this, but Sirius isn't too keen on moving. His teeth catch Kieren's bottom lip as he pulls back after a moment, still grinning, Kieren's hand heavy at the back of his neck.

"Is this where the brain orgasms happen" he asks, his voice a breath against Kieren's lips. "With the kissing."