Aoi starts running

"We gotta go!" Aoi said as she started to move faster.

Chihiro could feel the effect immediately, Aoi's boobs kept moving back and forth, repeatedly slapping into Chihiro's face but this was nothing compared to what was happening below.

Aoi's thighs were fastly stroking Chihiro's dick in a manner that was bringing him so much closer to climaxing in between her legs. That added on to how Aoi's hands were squeezing Chihiro's ass to keep him in place meant he was as close to finishing right now.

"Aoi!" Chihiro's voice strained out as he tried to hold himself back, knowing that he'll be in a world of trouble if he finishes.

Chihiro had never masterbated before, he always found the idea too embarrassing to do so the fact that the first time he ever came in his life would be in a hallway while tied to a naked girl who was unaware that she was jerking him off or even that he was a he.

Aoi was ignoring Chihiro either in an attempt to focus on where she was going or to ignore the humiliating situation they were in.

"Please... Stop..." Chihiro's mind was going hazy, he was starting to enjoy it and started to hate himself for enjoying it.