No that's to show his skin is shinny. The Japanese think that having sex improves your skin.
Lmaoo its a joke. I mean the guy could of least licked it off or something. It would be embarrassing to walk around and people laugh at you. And say what's that on youre face?. Plus i rhough t about using that movie part when the guy had come on his face. All about Mary!!!!
Omg lol the Japanese don't actually think that. That is just joke, and it's not a joke amongst the Japanese only....I am Chinese and i have heard this joke before too.
After they got off the ride. I could of sworn I saw cum on the right side of his face. Like dude wipe that off.