Have a search in Mens - there is a whole lot of threads discussing Asians phero responses with input from a lot of guys more experienced than I.
I can’t recomend how many sprays - This is where you need to do some legwork to see what fits with your body chemistry and personality - One spray of each is the best way to start!
TUTH and IG is indeed good but it is still going to be an overt mix, so keep it for the clubs. IG on its own is very valuable anywhere.
Application points - This covers it well:
Don’t get too caught-up in placing the mones though. So long as it has a good blood flow to promote diffusion and is open to the air, you are fine.