You're referring to the Master Stroke quest in Skyrim!
If you meant a different “Masterstroke” (non-adult or another game), let me know and I’ll update the guide accordingly. masterstroke skyrim
Masterstroke utilizes complex fame systems. If your character engages in lewd acts in public, they gain a reputation. A "shameful" reputation might cause NPCs to treat you with disrespect, refuse services, or proposition you aggressively. Conversely, a high "fame" might open doors to new dialogue options. This social consequence adds weight to every decision. You're referring to the Master Stroke quest in Skyrim
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