Porthos' hands are so tight that Aramis can feel each individual bruise as it forms, and he shivers, for a moment caught between Porthos' intoxicating strength and the picture Athos makes beneath him, spread out and vulnerable, asking for it.

"Sangdieu," Aramis curses, pushing against Athos' leg until it's higher still, exposing him completely for his fingers. Aramis wastes no time, circling Athos' hole with slick only once before he pushes two fingers within him, stretching him with short, widening thrusts.