[Not that it should be a surprise that people just bring around lube in a place like this, but Rinne is still pleasantly caught off-guard anyway. Well...]

Kyaha~ Someone's ready. Ya really are a naughty lil' bastard, thinkin' bout gettin' hard and needy in the library.

[He grins, pulling his hand back out from his pants and giving him a rough slap on it, before he takes the lube and inspects it. His other hand doesn't even pause, continuing to give him languid strokes that have lost some of its speed, probably to give Sizhui some time to catch his breath, or because he's distracted.]

Cherry, huh? Guess ya popped yers by now. Feelin' sentimental?