"I kn-" The kiss silences him and he's kissing back, fingers twisting in Nanami's hair, or as much as they can, fingers of his other hand digging into Nanami's back as he holds on. And when that kiss breaks, it's Haibara's mouth that's moving, tracing along the sharp lines of Nanami's jaw and then kissing down the side of his keck.

"You're the only one who should." At least in this regard.