Well, not so different from RPG games where you have to loose fights to get porn... or platformers where you have to fail facing a specific threats to unlock a corresponding porn scene.
NSFW => you want to loose
game => you want to win
Not digging those games with conflicting objectives either, just mentionning they exist. This one at least tries to offer a reason as to why you'd try to avoid fucking "ennemies" if i understand what you complain about.