Really dislike this couple's dynamic, really, it's no different than rape
I believe any form of prostitution should not be taken as romantic, normal or healthy. Having to sell your body is not a nice thing, even if the pay is high (which in this case he's just asking the demon guy to forgive his brother, despite offering money to pay for the damage he caused, which is absurd in it's own way)
Anyway hope his "dept" is paid soon and he walks out of it being OK
Also hope for some karma on the demon yk~
Thank you sm for updating this