right so I know how to approach a set (2+) with the mystery method(indirect game). But the problem comes when I try to run indirect game on a 1 SET. How are you effectively meant to IOD if you are the only person talking to her?

I mean its going to be pretty obvious to her that you are interested because you are the only one talking to her.
I would be appreciative of any guidance.

that's why neg openers work great, or learn how to use body language. When you open don't point your body towards her completely. Make it look as if you're about to leave at any moment false time constrain then game her and make her work for your full attention.

ONe thing that I might say to a girl as a universal neg opener would be "Is that your natural hair color or did you dye it"? It's subtle, and gets a good start to a conversation and does the job.

Cause then she could be like yes it is.. and your response could be something like oh really? I see you more of the blonde cause they usually have lots of energy and crazy personalities and I can see you with your hair up(if she's a brunette wearing hair down). it would make her wanna qualify herself of how she was blonde and etc etc

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I made the mistake of being charming and handsome... I apologize

right but then a thing i love to do in A2 (getting her to chase, radiate IOIs) is to tell a DHV story. Normally in a two set I would tell it to her friend and neg her. I would say things to the target like shhhh be quiet im trying to tell a story.
Like the two set is there a way to still tell the story in a ONE set but in an IOD/negging sort of way?
edit: thanks for the opener ill be using it

You execute "active disinterest" by:

1. Opening indirect e.g. situational, functional, opinion (maybe...)
2. Keeping your body language pointing away until you start getting IOIs
3. Using a false time constraint
4. Using false disqualifiers (e.g. "you're so not my type" "we would never get on" etc.)
5. Negging / breaking rapport

You only need to do this until you start getting IOIs, at which point you can reward by moving body language towards her, kino plowing, and then you can start testing compliance, qualifying her, doing push/pull, etc. All these things are now showing interest - that you were previously uninterested, but she's showed herself to be worthy enough for you to stick around and, if she plays her cards right, she's in with a shot at getting you.