she took that dude's cock for her childhood friend's happiness. when she swallowed his load, it was a load that wasn't placed on her friend's back. ever backshot was a blow she took to save his life. "i played the villain for your sake." did you play the bedwarmer for his sake, too? how are we ok with this dialogue?
no, seriously, why are they here? why are we still following through with the banished party cuckold setup? it's all way less interesting than the actual plot. they could have just made the mc a broke and unappreciated engineer who took a job for the ruined countess out of desperation and pity, and we wouldn't have to do this tired song and dance again.