The Monthly Agreement

Storyline: Working on a spaceship has it's perks. Nice lounge, dress code, getting to meet all sorts of folks. A few months ago, your crew got a new member who you were smitten with. You asked her out, she agreed, and before things could go further she showed you a contract. It requested that once a month she can breed you full of her eggs. One of the quirks of her species. You agreed and from then on, once a month, she summons you to her quarters and breeds you full.

Includes: sci-fi, alien, tentacle, tentacle dick, breeding, oviposition, wet noises, established relationship, consent pre-established, femdom, narrator orgasm, talks of becoming a broodmare/talks of being a slut, and she wants you to be loud