Nation A is oversensitive (due just having an orgasm) but Nation B keeps going anyways. Alternatively, it could be because of some drug that makes the feelings /reactions similar to being sensitive after orgasm.
This can be completely consensual with them agreeing on it before hand or dark/dub or/and noncon. Such as Nation A making Nation B (who is can be inexperienced or lets him due to some sort of dependency on A) take it.
Bonuses: Nation B is inexperienced and A convinces them that its their fault its painful. "Your doing it wrong. " "Oh I see you can get off but not me right? Your being ungrateful!
Orgasm denial or a lot of orgasms given.
If their in a relationship the partner does 'sweet' things while doing this like kisses if they cry and petting hair after pulling it.
Various - over sensitivity (possible dark, non/dubcon)
This can be completely consensual with them agreeing on it before hand or dark/dub or/and noncon. Such as Nation A making Nation B (who is can be inexperienced or lets him due to some sort of dependency on A) take it.
Bonuses:
Nation B is inexperienced and A convinces them that its their fault its painful. "Your doing it wrong. " "Oh I see you can get off but not me right? Your being ungrateful!
Orgasm denial or a lot of orgasms given.
If their in a relationship the partner does 'sweet' things while doing this like kisses if they cry and petting hair after pulling it.