There are a number of payment providers in the EU that acquire payments for adult & dating with main card schemes. To comply though you will need an EU Company formed with a director whom is resident in an EU country along with an EU settlement account to receive your settlement into.
Good afternoon to you. You don't say what it is that you are looking to take payments for? I can recommend you to a few PSP's and acquirers that have direct connections to many alternative payment methods too like the ones you mention?