>>8596281.) Neither of those, a normal, (if more strong than the usual), merc, who tries his best to play by his moral code, but is not afraid of using the force
2.)The deathly sex is something known from the beggining and above all, an option, he doesn't need to have sex with that consequence, but it would be called living having letting pass the oportumity of the most otherwordly pleasure known in this plane of existence?
3.)as stated before is an option, repeated after the ''normal'' intercourse. In which the demon/succubus says that is worth it, that she would make it that way. He wouldn't want to go back once he tasted the prhibited fruit
4.) After a long session with lots of orgasms which as time passes become stronger and whith less time between them until they merge in one single endless orgasm, at wich point after an amout of time neither the heart of the brain can catch up with that stimultion and it shortcircuits, leaving behind a happy corpse
5.) That all of this happens in a brothel, after making the choice as if it is part of the options the brothel offers, and signing some paperwork, so we understand that is somewhat legal, akin to euthanasia, in which the pay is the life itself.