It's the love hotel scene from the game! Except Mitsuru is there too! And they get some heavy action in! But ooooh, the girls get big dicks, too.
Ah well, he'll love it anyway. :D
The higher that the agents of SEES went inside Tartarus, the more surreal and weird things became. There was one example that Makoto sat in right now, the young man never thinking that once in his life would he ever be forced to sit in such a place.