" kiss chastely up his dick." lol, nothing chaste about that. The technical stuff is decent, good grammar and spelling, all that. The actual writing was a little drab, boring. The story could use a bit of work too. I get that it's pure smut, but a little more details would have been nice. Like why are they in a relationship, how'd they get there, that sort of stuff. It's always nice to know what the rest of the team knows about their relationship (if they even know). Another thing that bothered me - i'm not sure how you could fix this - but i didn't really feel myself interested much in what this surprise could be. Maybe because Engineer didn't seem much interested about it either. Not even just the surprise, but it'd be nice to have any sort of relation to the situation period. Smut is good, when it's not the only thing a story has going for it.