Prompt: Lascelles just wants to take what Childermass wants. He finds out that what Childermass wants is Segundus. Cue Lascelles seducing/blackmailing/intimidating Segundus into pleasuring him. Maybe Lascelles describes it in detail to Childermass later? He wants to make sure Childermass knows how much he enjoyed it.

my tiny trash fill is here: http://jsmn-kinkmeme.dreamwidth.org/1273.html?thread=417529#cmt417529