It isn't something he's known that he was interested in or got off on, but there it is. He's done a bit of silly things like that, mostly with bites and scraping nails. But when Harry closes his fingers on him as he comes, Neil lets out a brief, happy whimper, clenching all over again as he feels the rapid, hot pump of come inside him.

When they relax and start to slump, Neil giggles a little bit.

"I don't know about that," he breathes, not wanting to move but definitely trying to get off his knees. "But I am awfully fun."