is there only one scene with jenny or there are any more?
There are a lot of scenes with Jenny.
how to approach her?
It depends on how you are now. You have to meet her at Monday and listen what she says. Buying a lot of different gifts.
i bought her a chocolate and nothing happened do i have to do it regularly?
You have buy it and visit her and give it to her, after this you need a lot of flowers.
thanks