Friction is amazing. Especially when Yuuri tugs him closer and purrs. It pulls out a low sound from Minami, one he doesn't recognize as coming from him.

"Please - more-"

He's shaking from this, the contact and words are not a thing he can manage. But he's been trained to move. Use his body to express. So in a burst of inspiration, Minami drags Yuuri's hand to his dick. Grinds against that, as best he can.