Trigger/Content Warnings by story:
Machine
-- Somnophilia (Main character is probed and pleasured while unconcious.)
-- Some violence and gore
Brute Force
-- Whipped by bad guys
-- Some violence and gore
Alien Hit & Run
-- SA of a child and violence toward children (discussed in dialogues about the human protagonist's past)
-- Suicide (discussed in dialogue)
-- Dubcon: The alien's body releases pheromones that act like the "sex pollen" trope, putting the main character into a heightened state of arousal.