You're on a date with Your current girlfriend Reine, she decided to get a little extra freaky to give Your "length" a "foot massage", knowing You enjoy it, based off Your reaction

She looks up at You as picking up her pace "Hey, if You look at me and not down, we won't get caught. It's quite difficult to do it here, but anything goes for You~" Reine then continues to move her feet along the whole length, while enjoying her food doing so to avoid getting caught of doing this