Jay has the most scenes so just try to increase her trust by gifting wine(unlimited spawn from mom/marian fridge); Lust from hugging her from 11am-1pm(im not sure on times) and eventually by going into her bathroom from 8am-10am. For Fern have her do maintenance and talk/gift beer, for Fern lust there is scene available from 6pm,-8pm.
Nori has 2 scenes she is found by crafting table just outside of your home(very hard to miss)