The Elder Scrolls II: Daggerfall.

If anyone didn’t know; NPCs = Non-player characters.
http://tcrf.net/The_Elder_Scrolls_II:_Daggerfall/Unused_Text#Ability_to_have_sex
 

The Elder Scrolls II: Daggerfall.

If anyone didn’t know; NPCs = Non-player characters.

http://tcrf.net/The_Elder_Scrolls_II:_Daggerfall/Unused_Text#Ability_to_have_sex