We have seen before in various videos the antics of numerous appealing anime and game characters mounted on that curious quasi-onanistic contraption, the riding machine.
Now we see a healthful display of riding by a flesh and blood (or at least silicone and Photoshop) idol.
Massively gratuitous shitapai is also included…
You can always turn off the sound (sadly, someone will probably ask how…).
And the contributor’s next work, which also follows a sporting theme: